Incipient Point of Plasmolysis Lab

Investigation of the point of incipient plasmolysis of onion cells (Allium cepa) using NaCl (Sodium Chloride) concentrations of 0. 1M, 0. 2M, 0. 3M, 0. 4M, 0. 5M, 0. 6M Design Research Question (Aim): The aim of this lab was to determine the point of incipient plasmolysis of onion (Allium cepa) cells using Sodium Chloride (NaCl) concentrations of 0. 1M, 0. 2M, 0. 3M, 0. 4M, 0. 5M, 0. 6M. Hypothesis: When the water concentration of a solution outside the cell is lower than the concentration inside the cell, water will move from the inside to the outside of the cell due to osmosis.As we increase the concentration of the NaCl solutions we have used (0. 1M to 0. 6M), more moles of NaCl are dissolved in the solution. Thus, the solutions increases in solute concentration but decreases in water concentration. We can therefore assume; the higher the concentration of the NaCl solution, the higher the number of plasmolysed cells as water moves outside the cell in order to dilute the NaCl conce ntration. Data Collection and Processing Table 1: The number of plasmolysed onion cells (out of 30)  ±1 for each of the 6 NaCl concentrations (0. 1M, 0. 2M, 0. 3M, 0. 4M, 0. 5M, 0. M) for three trials |Concentration (in M) |Trial 1 (Number of Plasmolysed |Trial 2 (Number of Plasmolysed |Trial 3 (Number of Plasmolysed | | |Cells  ±1) |Cells  ±1) |Cells  ±1) | |0. 1 |0 out of 30 |0 out of 30 |0 out of 30 | |0. 2 |2 out of 30 |0 out of 30 |0 out of 30 | |0. |6 out of 30 |4 out of 30 |3 out of 30 | |0. 4 |6 out of 30 |12 out of 30 |13 out of 30 | |0. 5 |6 out of 30 |16 out of 30 |19 out of 30 | |0. 6 |6 out of 30 |30 out of 30 |30 out of 30 | Qualitative Data:In general, it was hard to keep an overview of the cells one has counted yet and one has not as one only counted the cells at random. To this, it was hard to determine visually whether a cell was plasmolysed or not so that one could have assumed some cells to be plasmolysed although they were not. Finally, as the results of our first trial show, we did not allow enough time for the cells to plasmolyse so that the results became inaccurate. Table 2: The percentage of plasmolysed onion cells  ±3. 33% for all of the six solute concentration (0. 1M, 0. 2M, 0. 3M, 0. 4M, 0. 5M, 0. M) for three trials, including the average percentage of plasmolysed cells for the second and third trial only*, as well as for all three trials together |Concentration (in M) |Trial 1 (Percentage of |Trial 2 (Percentage of |Trial 3 (Percentage of |Average Percentage of |Average Percentage of | | |Plasmolysed Cells |Plasmolysed Cells |Plasmolysed Cells |Plasmolysed Cells for |Plasmolysed Cells for | | | ±3. 33%) | ±3. 33%) | ±3. 33%) |second and third trial |all three trials  ±3. 3%| | | | | | ±3. 33% | | |0. 1 |0. 00% |0. 00% |0. 00% |0. 00% |0. 00% | |0. 2 |6. 67% |0. 00% |0. 00% |2. 22% |0. 00% | |0. 3 |20. 00% |13. 33% |10. 00% |14. 44% |11. 67  % | |0. 4 |20. 00% |40. 00% |43. 3% |34. 44% |41. 67% | |0. 5 |20. 00% |53. 33% |63. 33% |45. 56% |58. 33% | |0. 6 |20. 00% |100. 00% |100. 00% |73. 33% |100. 00% | * = I have calculated the average for the second and third trial only in addition to the overall average so that I can draw another graph of the averages of the second and third trial only since the results of our first trial seemed to be inaccurate. Sample Calculations:Percentage: In order to determine the percentage of plasmolysed cells for each solute concentration, one can use the following formula; (N:T) x 100, where N stands for the numerical value (in this case the number of plasmolysed cells we have counted) and T stands for the total (in this case 30). For example, if one would want to calculate the percentage of 2 out of 30, this would result in the following formula; (2:30) x 100, since 2 is the numerical value (the number of plasmolysed cells we have counted) and 30 is the total. Average: To calculate the average, one simply adds the values and then divides it by the number of values.One could also use the formula (? x) : n, where x are the individual values of plasmolysed cells for each trial and n is the number of values. For example, if one would want to determine the average for the number of plasmolysed cells for the concentration of 0. 6 M, one would simply add 20, 100 and 100 and then divide it by 3, since the number of plasmolysed cells is the x-values and 3 in this case is the n value. Figure 1: The average percentage of plasmolysed cells  ±3. 33% of all three trials determined for each of the six NaCl concentration. The graph shows a linear trend-line in order to determine the point of incipient plasmolysis. pic] Figure 2: The average percentage of plasmolysed cells  ±3. 33% of only the second and third trial determined for each of the six NaCl concentration. The graph shows a linear trend-line in order to determine the point of incipient plasmolysis. [pic] Conclusion & Evaluation Conclusion: As the NaCl concentration outside is increased , more NaCl molecules are dissolved in the solution causing the solution to have a higher solute concentration but a lower water concentration. The water from the plant cell thus has a higher concentration than the outside diffuses (through osmosis) in order to dilute the NaCl concentration.The turgor pressure that maintains the shape of the cell by pushing the plasma membrane against the cell wall is then lowered causing the cells to shrink. This is known as plasmolysis. Our hypothesis; the higher the concentration of the NaCl solution, the higher the number of plasmolysed cells as water moves outside the cell in order to dilute the NaCl concentration was therefore correct. Furthermore, we have used Figure 2 in order to determine the point of incipient plasmolysis as the results are more representable of the whole since the first trial was not included.Figure 2 indicates that the point of incipient plasmolysis lies at approx. 0. 42M. Supporting my findings, a similar experiment was done however with saccharose solution instead of NaCl. The results show that the point of incipient plasmolysis lies of this experiment lies approx. 0. 38M which is fairly close to my results (Stadelmann, 156). In general, one can assume that the higher the concentration of the outside solution, the higher the number of plasmolysed cells as water moves outside the cell in order to dilute the outside oncentration. Evaluation: |Limitation |Significance |Improvement | |It was hard to determine the number of |As there were generally more than 30 cells |We could have used the method of a | |plasmolysed cells visually as we just counted |visible in the eye piece, it was not too hard |hemocytometer instead so that we could have | |30 visible cells at random and did not have an |to count 30 individual cells.However, we could|counted the number of plasmolysed cells per | |overview of the cells we have already counted. |have still counted one cell twice and assumed |square. | |In addition, i t was hard to determine if a cell|that it was two different cells. This | | |was plasmolysed or not. limitation therefore causes an overall | | | |inaccuracy. Furthermore, we could have assumed | | | |some cells to be plasmolysed although they were| | | |not plasmolysed. | |We only estimated what the point of incipient |This only has a slight significance on the |We should have done the lab with the NaCl | |plasmolysis approximately would approximately |exact accuracy of the point of incipient |concentrations we were given and then determine| |be basing it on our graph (figure 1) and only |plasmolysis. |where the point of incipient plasmolysis | |using concentrations of 0. 1M, 0. 2M, 0. 3M, 0. 4M,| |approximately lies.Then, we could have done | |0. 5M, 0. 6M. | |the experiment with more accurate solutions | | | |such as 0. 45, 0. 475 in order to find the exact | | | |point of incipient plasmolysis. | |For our first trial we did not allow enough |Due to this limitation, our overall a verage was|We should have allowed more time for the cells | |time for the cells to plasmolyse. lowered leading to a higher point of incipient |of the first trial to plasmolyse. We could have| | |plasmolysis. In general, those results were |also simply repeated this trial. | | |outliers which affected the accuracy of our | | | |processed data. | | |We have only done three trials of the |This is very significant in our case as the |Instead, we should have firstly determined | |experiment. results of the first trial therefore had a |where the point of incipient plasmolysis | | |great effect on the accuracy of our processed |approximately lies and then repeated the | | |data. |experiment with these NaCl concentrations at | | | |least 5 times. | |We did not agree on an overall method of the |The more NaCl was used, the more cells were |Agree on an overall amount of drops of NaCl | |amount of drops of NaCl we used. likely to plasmolyze as more water would |such as 1 drop or agree on an am ount such as | | |diffuse outside the cell in order to dilute the|1mL and then use a pipette and a graduated | | |solution. |cylinder in order to measure that amount. | Works Cited Stadelmann, E. J. Methods in Cell Physiology. Ed. David M. Prescott. New York: Academic, 1966. Print.

Food Preservative Essay

Food Industry is one of the complexes which involve a vast global collection of many businesses that come together to avail food energy consumed throughout the world population. Those farmers who merely depend on food that they plant are not considered to be part of food industry in these modern days. The food industry includes the following: – Regulations- These regulations range from local to international rules and regulations which govern food production and sales, food quality and safety, and general industry lobbying activities (David, Grotton, 1979, pg417). – Education- This can be academic which results to professional in food production, vocational which involves basic training or consultancy which deals on consultation regarding different food products. – Research and development- This involves food technology in order to invest various ways of food production which does not exist in the market. – Financial services which include insurance and credit services. – Manufacturing- Food industry involved in manufacturing of Agro-chemicals, seeds, farm machinery and supplies of agricultural construction. – Agriculture- This is a basic area in food industry since it deals with raising of crops, livestock and also sea foods which are the main raw material used in food industries. – Food processing- This involves preparing fresh products for sale in markets and also it involves manufacture of already prepared food products. – Marketing- This deals with promotion of new products in market. It also gets views from public opinion by advertising packaging and public relation. – Wholesale and distribution- This is done in warehouses, transportation and logistics. – Retails- Food products are basically sold in supermarkets, stones, direct con. Summer restaurants and other food services centers. Therefore, food industry basically covers all aspects of food production and sales. All transactions between productions of food up to the time food is taken to the market are taken care of. The industry size of food production is quite wide since it covers worldwide population and it’s approximately US $3. 2 trillion in 2004. For example, in United State they spend about US $ 1 trillion annually for food or almost ten percent of their gross domestic product (Harratio, 2007, pg 370). This industry due to its diversity and great need to expand it has around 16. 5 million people who are employed in the industry. Food industry regulations are very vital in every stage from production to consumption. These stages include production, processing, distribution, retail, packaging and labeling of all food products. All these are governed by a mass of laws, regulations, code of practice and guidance. There are general food laws which must be followed by everyone whether one is working in a food business or he or she is involved in consumption of the food productions. This deals mainly with registration of foods which are either imported or exported, the safety of food, labeling, product withdrawals and recall (Brown, 2001, pg 439). For example, the main food laws which are used in United Kingdom are:- – Food safety act of 1990 which involved registration of general food registration in Great Britain. – General food law regulation 178/2002. – General food regulations 2004. This incorporated imposition of penalties to those who breaks food regulation. Some of the food safety and consumer protection offenses include – Rendering foods which can injure one’s health by either: I ) Adding something harmful to food. ii) Using harmful ingredients in production of food. iii) Removing any food constituent which can benefit the consumer iv) Passing food through processes which are no recommended. – Selling product to purchaser which is not of the nature, substance or quality demanded by the buyer. – Using false descriptions or presentation of foods in order to entice customers. – Commission of defense is due to the act of default of another person, the other person is guilt of the offense. – In European countries, Food imported to these countries must comply with all their Food safety regulations or else they should enter into an agreement with the exporting countries for those requirements. – Exportation by European countries demands that food should meet the required food law, not unless the importing country demands otherwise as per their laws. – The safety standards of food should be followed strictly this is passed by the law that states: Food shall not be placed in market if it’s unsafe. Food can be regarded as unsafe if its-injurious to one’s health. – Unfit for human consumption. – The labeling, advertising, presentation and setting of food product for consumer should be done in such a way that it would no mislead the consumer. – For traceability purposes, operators of business need to keep accurate records of food, food substances and producing animals supplied to their businesses and also records of suppliers where they buy their commodities which should ensure that this information shall be made available to authorities on demand. – Food business operator can withdraw food which is not complying with safety standards incase it has left their control and recall food incase it has reached the consumer. In case any company breakdown any of these offenses, the company is liable to penalties laid down by general food regulation (Windsor, 1959, pg 37). Food law guide is a process which needs to be updated each and every time in order to comply with food standard every time. In food industry, there should be regulatory impact assessment team which its main duty is assessment of costs, benefits and risks of regulations laid down which could adversely affect the business in one way or another. These teams are either produced by government or agencies which have statutory powers for making laws. The government is trying to put up better regulatory initiatives which will work with food standard agency which is a statutory body which protects public health and consumer’s other interest related to food and drinks. Deregulation can lead to food safety coming to a critical condition since it opposes most of the regulation acts imposed in food production till marketing time. These deregulations may include:- – Free trade agreement. Due to free trade agreement the safety standards of food during export and import times are looked down upon and this can lead to harmful consumption of food. For any successful company to grow well, merging with other companies is quite essential since it enables diversity and acquisition of new methods and formulas which the merging company has. Merging stimulate growth and expression of ideas to give a wide range of products to be produced. The main aim of encouraging merging and acquisition of businesses is to reduce the number of firms operating on one same thing and consequently they increase concentration since the number of firms have lessen and therefore management can focus on something substantial since they are concentrating on a smaller area than before. Also through merging and acquisition companies promote anticompetitive pricing behavior since operations will be taking place on one company which can set standard prices for each items (Manley, 1940, pg 83). In food industry, they have focused merging as something that can bring great impact in economy since it basically changes employment structures. Therefore merges and acquisition results to workers dislocation since the companies will be fewer than before which lead to retrenchment of some workers. The food industry had two distinct mergers and acquisition involved in eight different food industries. These occurred from 1977 to 1982 and from 1982 to 1987. This mergers and acquisitions did not necessary portray the processes causing workers dislocation and lost wages. During the acquisition and mergers, small plants in food industries were added workers during the first merge wave but not during the second one. Mergers and acquisition had small but positive effect on wage during the first merger of 1977-1982 while little effect was felt during the second merger period. Mergers and acquisition also enables many plants to exit their industries during the 1977-82 period and facilitated closure of some firms during the period during 1982-1987. Therefore productivity can be increased and profitability of industry enhanced by actively participating in acquisition and merging of industries. Joint venture by different companies helps the businesses to grow increasingly and therefore increases business interest. Joint ventures also help the business to diversify its products and it basically operates like mergers and acquisition (Zhouying, 2005, pg317). Food technology has greatly advanced in many food companies through invention of new ways of production and marketing of food produce. Food supply chains in any food industry must give way to dynamic supply network and elaborate food technology that drive them. Technology enables high volumes of distributed transactions which take place between different members of supply chain in a rapid and low cost manner. Food technology should be used even during marketing to fit to a variety of transactions.

The Use of Language in A Tale of Two Cities Essay

Referring closely to the Referring closely to the use of language, show how Charles Dickens examines the tragic consequences of unruly behaviour in Chapter Twenty One of ‘A Tale of Two Cities’. How does he bring out the dramatic tension? ‘A Tale of Two Cities’ set partly in the Saint Antoine region in the midst of the deadly and brutal French Revolution and partly in the dull and monotonous Restoration Period in England seems to be tale of warning and of social justice. Dickens, born in 1812, held the equality of all social classes close to his heart: lack of funds drove Dickens to work in a blacking factory at the tender age of twelve as well as seeing his father to prison. His intentions of writing ‘A Tale of Two Cities’†¦show more content†¦Charles Dickens is likely to have aimed ‘A Tale of Two Cities’ at a more middle than lower class audience, this would have been mainly because they would have been educated therefore able to read and would be able to afford books. Furthermore, middle and upper classes also would be in more positions of power and thus able to preclude the possibility of a resolution of the problems facing Britain. Dickens has used a variety of linguistic techniques to create tension and convey a poignant social message in chapter twenty-one of ‘A Tale of Two Cities’. Throughout the entire chapter, the word â€Å"footsteps† is repeated many times. This choice of words has a strong effect on the reader: it firstly creates an eerie and haunting image in the mind of the reader, which helps to convey the tense atmosphere of chapter twenty-one. Furthermore, the word connotes a sense of anonymity between the mob, which successfully disguises their identity. This word could also be interpreted as Dickens attempting to communicate his warning that a revolution could be on its way by personifying it as footsteps in the distance, drawing nearer; they are almost echoes of the French Revolution. 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The Benefits of Essay Topics on Female Genital Mutitlation

The Benefits of Essay Topics on Female Genital Mutitlation The True Meaning of Essay Topics on Female Genital Mutitlation Typically, it takes as many as 2 hours of time to comb through dozens of sites until you discover something exciting to write about. And don't forget, too cheap doesn't always mean good! Ideas, Formulas and Shortcuts for Essay Topics on Female Genital Mutitlation Citations and extracts from assorted sources have to be formatted properly. Our systematic review of literature intends to analyze the features of the published papers on FGM in Africa over the previous 40 decades and evaluate what has been investigated in relation to the socioeconomic results of the practice. Reading example essays works precisely the same way! Therefore, many students and employees decide to obtain affordable essay rather than writing it themselves. These four different varieties of abuse are established most frequently as `gender-based' for the distinctive reason they boost th e inferiority of women when compared with men. Female genital mutilation is thought to be a practice of building a woman normal according to the conventional views of African men and women. These practices are performed by women for the advantage of men. To begin writing your assignment you would want to run into an interesting and promising topic. Additionally, a customer may ask the writer to submit part of the job for review and, if needed, ask them to make corrections. A number of them however are crucial to the story and play a massive role in the plot. Still, every one of them would show up in the overall list. The development of dermoid cysts that might lead to abscesses. They then fix the wound using a few stitches. And sometimes it's lethal. In some instances, because it is unprofessionally done, these young females even die from excessive bleeding whenever the previous women hit the incorrect veins. Essay Topics on Female Genital Mutitlation for Dummies There are varying kinds of FGM, varying in severity. Severity and risk are closely about the anatomical area of the cutting, including both the form of FGM performed and the sum of tissue that's cut, which might vary between the types. Type 2 is referred to as a clitoridectomy. These include factors like age, income, religion, marital status and degree of revenue. This procedure calls for a good deal of skill and precision, which can not be possible in the event the victim isn't under anaesthetic. The list of health complications that spring up from female genital mutilation is quite extensive. It can also result in complications. In the instance of female genital mutilation, there's absolutely no evidence to suggest it may be medically beneficial at all, and can result in serious medical difficulties and even death because of complications directly resulting from the process. There's evidence that lots of nurses are not familiar with complications caused by female circumcision. Aside from the pain and distress involved with the process at the moment, there may be long-term health consequences, even sometimes involving infertility. Details of Essay Topics on Female Genital Mutitlation It is thought to be a human rights issue. Studies have also identified that female circumcision is thought to be a component of cultural identity. The World Health Organization defines Female Genital Mutilation for a practice that requires the alteration of female genitalia in a style that doesn't relay any health care advantages to the victim. First of all, it's painful and traumatic. Up in Arms About Essay Topics on Female Genital Mutitlation? They have websites which offer direct contacts between writers and customers and permit them to discuss details and get the ideal result. It is a good idea to look for the one which has a superior reputation and offers high-quality papers at inexpensive rates. Together with the topics, you'd discover loads of papers at no co st. In the end, the articles were classified based on their principal research topic. Essays might be lightly modified for readability or to defend the anonymity of contributors, but we don't edit essay examples before publication. This procedure doesn't require any anesthetic medicines, making the entire process a horrible experience for young girls. It will become clear that such circumstances negatively impact the well-being of a woman, resulting in severe consequences. This means it is not a mandatory, but honourable act. What Everybody Dislikes About Essay Topics on Female Genital Mutitlation and Why However, it's a simple fact that female genital mutilation continues to become increasingly more popular not just in Muslim nations, but in other nations also, as it's no longer based just on religious beliefs, but is also connected with ethical and health care viewpoints. Nevertheless, the actual situation doesn't leave much to look forward. As stated by the statistics, such surgery was done to more than a hundred million women in Africa and major Muslim nations. This explains why they've been not able to deliver efficient care. The aim of the transcultural nursing is to be certain that patients receive efficient care that doesn't contradict their cultural beliefs. Medical personnel are normally not involved. The Tried and True Method for Essay Topics on Female Genital Mutitlation in Step by Step Detail They comprise of tribes like the luo, kalenjin, Maasai karamajong and so forth. Egypt and Africa aren't the only continents with a history of female genital mutilation. Essay Topics on Female Genital Mutitlation - What Is It? You must be proficient in the topic, have an overall idea about the chosen issue and can get the best arguments to demonstrate your thesis. The cost of an essay depends upon the quantity of effort the writer has to exert. You must go past the obvious with a thesis statement. The essay isn't the simplest task to mas ter. On the flip side, their viewpoint is not so easy to contradict. Using Essay Topics on Female Genital Mutitlation Because most procedures are performed on young girls, it's also a violation of children's rights. Circumcision of earth managing women in which is performed in the degree of contents abstract. Exactly how many girls and women are subjected to FGM is tough to understand. Totally free Female Genital Mutilation essay samples are offered on FreeEssayHelp with no payment or registration. Some folks claim that female genital mutilation is a critical problem that ought to be solved whenever possible. Essay Topics on Female Genital Mutitlation Features There's presently a debate over whether it is a component of Islam to have female circumcision. This compels nurses to undertake a rigorous study of different cultures in an effort to understand why it is a common practice. Female Circumcision The custom of female genital cutting have attracted increasing attention recently and mobilized strong global opposition. It is thought to have started before the advent of either Christianity or Islam. It is sometimes erroneously referred to as circumcision. Severe pain during intercourse that might consist of physical discomfort and mental traumatization. It's a tiny erectile portion of the female genitalia. Deinfibulation denotes the custom of cutting open the sealed vaginal opening in a woman that has been infibulated, which is frequently necessary for improving health and well-being in addition to to allow intercourse or maybe to facilitate childbirth. The harshness of female genital mutilation varies in various cultures, it includes the removal of part or all the genital organs clitoris a..

Comparative Analysis Of User Location Based Anonymization...

Comparative analysis of user location based anonymization of mobile computing M.K.Patil1 ,M.N.Sonawane2 and R.A.Mandlik3 1,2,3 Department of computer engineering, 1,2,3 Loknete Gopinathji Munde Institude of Engineering Education and Research, Nashik Abstract:-In this paper we have discussed numerous of papers which are based on mobile computing we also have done comparative analysis of those paper with different parameter which include domain, application ,issue within them. Futher we also sugget next generation system in future scope for user location anonymization. I. Introduction:- As per the growth of mobile devices related with a GPS receiver,a large number of location based services (LBSs) have been launched. Since location information may private information, preserving location privacy has become a signiï ¬ cant issue. Previously studied methods to preserve a users’ privacy; physical constraints are not taken in consideration for most of them. In this paper, we constantly focus on such constraints and purpose of a location privacy preservation method which can be applicable to a real environment. In particular, our method anonymizes the user’s location which generates dummies which we simulate to behav e like an real human. The model also considers traceability of the user’s locations which can quickly recover from an accidental reveal of the user’s location. We are conducting an experiment using ï ¬ ve users’ real GPS trajectories and are comparedShow MoreRelatedPrivacy Preserving Data Mining : Database Security And Privacy2788 Words   |  12 Pagesmining. Currently, privacy preserving data mining has made a lot of research results. As the emergence of mobile communications, embedded, positioning technology development and networking, location-based services and location-based applications such as social networking, the amount of data, which contain personal privacy, is sharply increasing. Using data mining tools for a comprehensive analysis of the data is easier to get an invasion of privacy, which will make the traditional privacy preserving

Peri Anaesthesia Nursing Care Samples †MyAssignmenthelp.com

Question: Discuss about the Peri Anaesthesia Nursing Care. Answer: Physiological cause for hypotensive is low diastolic blood pressure (less that 60) and marginal systolic blood pressure. Another cause behind low blood pressure or hypotension in Mrs Katsura is blood loss due to gastro-intestinal bleed. According to Pacagnella et al. (2013), extreme blood loss, both internal and external may result in the generation of hypotension. Hypotension arising from internal bleeding is a serious condition as lack of adequate fluid inside the body may compress the vital organs resulting in organ dysfunction. It may eventually lead to haemorrhagic shock (Pacagnella et al., 2013). The main physiological reason behind tachypnoea of Mrs Kate Katsura is her high respiratory rate: 28 breaths per minute (normal range: 12 to 20 breaths per minute) (Bianchi et al. 2013). The reason behind tachypnoea may be due to her gastro-intestinal bleeding which indicates the possible signs and symptoms of gastro-intestinal infection. According to Sagy, Al-Qaqaaand Kim (2013), any form of sepsis or blood infection or allergic reaction is associated with tachypnoea. The compensatory mechanism that may be attributed behind the development of the tachypnoea is Mrs Kate Katsurasprevious acute history of myocardial infarction. In order to increase the blood flow inside the heart, respiratory rate might have increase or loss of blood via gastro-intestinal bleeding might have resulted in increased rate of blood flow in heart. The main physiological reason behind tachycardia is internal gastro-intestinal bleeding. The indication of gastro-intestinal bleeding is indicated via abdominal pain. Since Mrs Katsura is a patient of myocardial infraction, tachycardia might a representation of that disease. According to Makkar et al., (2012) tachycardia is a marker of myocardial infraction. Myocardial infraction results in the generation of the structural abnormalities of the coronary arteries and this lead to the generation of tachycardia (Makkar et al., 2012). Hartmanns solution: Its composition is physiologically close to blood plasma and it is isotonic in nature, which helps in quick restoration of the circulating volume and electrolyte balance (Aditianingsih George, 2014). According to Aditianingsih and George (2014), fluid therapy done via Hartmanns solution is core process for managing peri-operative patients for proper maintenance of the blood volume. 0.9% of Normal Saline: It is an isotonic solution that contains sodium chloride (NaCl) as solute, dissolved in sterile water (solvent). This isotonic fluid helps in resuscitating the circulating blood volume while restoring the electrolyte balance (MyburghMythen, 2013). Packed cells: It contains packed red blood cells which help in replenishing the circulating blood with the haemoglobin and hence can be regarded as an important fluid replacement therapy for circulating blood volume. Increase in the haemoglobin concentration in blood further aids in oxygen delivery to the organs (MyburghMythen, 2013). The physiological rationale behind the intraoperative monitoring is it helps in measurement and monitoring of the vital parameters like hearts electrical activity, respiratory rate, and blood pressure, temperature of the body, cardiac output, oxygen saturation, pulse rate and pulmonary functions. Keeping in mind the vital statistics of Mrs Kate Katsura, intraoperative monitoring is extremely crucial as at the time of MET call her respiratory rate was high along blood pressure was low. According to Holm et al., (2004), intraoperative monitoring results in formulation of more aggressive therapeutic strategies for providing proper care and treatment Mrs Katsura after fluid replacement. Moreover Holm et al., (2004) further opines that crystalloid infusion does not help in the improvement of the preload or the parameters of the cardiac output. This may be because; resuscitation or fluid replacement therapy done via normal saline or Hartmanns solution is not capable of restoring cardiac pr eload Holm et al., (2004). Hence monitoring of the cardiac output and the respiratory parameter is essential as MrsKatsura has previous reported cases of myocardial infarction. Moreover, fluid replacement therapy helps in regulation of the blood pressure and the oxygen balance in the body and hence further signifies the physiological importance of intraoperative monitoring after fluid replacement. Another rationale that can be cited against the intra-operative monitoring include, it is a valuable technique for assessing the proper neuronal functions and it is extremely crucial for the neurologic examination of the patients who are in anaesthesia and are unable to operate face-to-face examination (Stecker, 2012). The main mode of anaesthesia for Mrs Katsura is rapid sequence induction (RSI). This is because, it is an established method for inducing anaesthesia in patients who lies at an increased risk of aspiration of gastric contents inside the lungs (Sinclair Luxton, 2005). Since, Mrs Katsura is suffering from gastro-intestinal bleeding, RSI can be considered ideal for her. According to Sinclair and Luxton, (2005), RSI involves loss of consciousness during the tenure of cricoid pressure followed via the procedure of intubation without the requirement for the face mask ventilation. The importance of this technique is, it aims to intubate trachea quickly and safely. RSI differs from other forms of general anaesthesia induction because, artificial ventilation is not provided to the patient from the point of time the patient stops breathing until after successful itubation is achieved. This helps to minimize insufflations of air into the stomach of the patient which might other may provoke regurgitation. Since Mrs Katsura is suffering from gastro-intestinal bleeding, minimization of the insufflations of air into her stomach will be beneficial. Sinclair and Luxton, (2005) have further opined that since RSI involves loss of consciousness and neuromuscular block without the requirement for mechanically ventilate the lungs, an anaesthetist must be well prepared for all eventualities before starting the process of RSI. This must include good preparation for safe induction, proper equipment to remove secretions and pre-planned drill to follow intubation. However, the choice of the induction agent must be made in such a way that it provides rapid onset and recovery from anaesthesia with minimal cardiovascular and other associated systemic side-effects (Sinclair Luxton, 2005). Mrs Katsura has previous reported case history of myocardial infarction and thus minimal cardiovascular complications arising from RSI will be beneficial. For neuromuscular blocking agent, rocuronium is chosen in comparison to succinylcholine. Rocuronium is regarded as non-depolarizing neuromuscular blocking agents as it produce rapid onset of action along with reduced risk of aspiration and hypoxia (Sinclair Luxton, 2005). Upon admission to PACU, it is the duty of the nurse to perform standard head-to-toe systems physical assessment. However, the current case study lacks any-from of head-to-toe assessment as it only provides the vital statistics of the patients and no information regarding baseline assessment.Preparation is the significant factor of post-operative management of a cardiac patient(Gregory, Bolling and Langston 2014). Under preparation, a nurse is expected to accumulate information regarding the past medical history of the patient along with the intra-operative course. The case study shows that it has successfully accumulated the past medical history of Mrs Katsura. It says that Mrs Katsura has previous reported cases of acute myocardial infraction along with hypertension and her usual medication include aspirin and ramipril. This information is crucial as it helps the nurse to anticipate the potential post-operative complications along the proper treatment regime(Gregory, Bolling and Lan gston 2014). Since MrsKatsura has long history of hypertension, she will likely require intravenous (IV) vasodilator therapy in immediate post-operative period. The case study also reveals that Mrs Katsura is 67 years old and hence might gave increase risk of intra-operative complications and thus nurses are required to remain conscious. Moreover, since Mrs Katsura has previous reported cases of MI such that she might have increased peri-operative mortality rate. Upon encountering syncopal, hypotensive episode, Kate has been suggested for gastroscopy in order to investigate the possible reasons behind gastro-intestinal bleeding. However, according to Denzer et al., (2015), magnetically guided capsule is a better and safer option than gastroscopy as it has comparatively less peri-operative complications and are preferred by patients. Post-anaesthesia nursing management cardiac patients are an important component under the curriculum of peri-anaesthetist nurse(Gregory, Bolling and Langston 2014).One of the main focuses of the immediate post-anaesthesia care is proper drainage catheter place in the operative field. This helps in the elimination of excessive bleeding in the immediate period of post anaesthesia. Bleeding has both surgical and non-surgical reasons (Gregory, Bolling and Langston 2014). In case of Mrs Katsura the main cause behind bleeding will be sustained or transient hypertension. Thus controlling hypertension is critical factor during the immediate post-anaesthesia period. Another cause of bleeding may be associated with scar tissue and adhesions that leads to the generation of initial sternotomy(Gregory, Bolling and Langston 2014). Since Mrs Katsura is having internal gastro-intestinal bleeding this might be another cause and hence must strictly be taken into consideration as non-surgical bleeding affects the bodys ability to clot (Gregory, Bolling and Langston 2014). The post-operative regime of the treatment is another important fact that may contribute to post-operative haemostasis alterations. Haemostatic mechanisms might not return to normal if the patient was on anti-platelet agents prior to admission. Mrs Katsura was on aspirin (anti-platelet agents) and hence this might increase the incidence of excessive post-operative bleeding (Gregory, Bolling and Langston 2014). It is the duty of the peri-operative nurse to effectively manage the bleeding via monitoring the chest tube output closely and treating hypertension or hypotension promptly. In case of Mrs Katsura it is hypertension. The main intervention of nursing management include positioning the patient in supine posture with the legs elevated in-order to promote cerebral perfusion while monitoring coagulation and treating hypertension via using vasodilators (Gregory, Bolling and Langston 2014). References Aditianingsih, D., George, Y. W. (2014).Guiding principles of fluid and volume therapy.Best Practice Research Clinical Anaesthesiology,28(3), 249-260. Bianchi, W., Dugas, A. F., Hsieh, Y. H., Saheed, M., Hill, P., Lindauer, C., ... Rothman, R. E. (2013). Revitalizing a vital sign: improving detection of tachypnea at primary triage.Annals of emergency medicine,61(1), 37-43. Denzer, U. W., Rsch, T., Hoytat, B., Abdel-Hamid, M., Hebuterne, X., Vanbiervielt, G., ... Ogata, N. (2015). Magnetically guided capsule versus conventional gastroscopy for upper abdominal complaints: a prospective blinded study.Journal of clinical gastroenterology,49(2), 101-107. Gregory, S., Bolling, D.R. and Langston, N.F., 2014.Partnerships and new learning models to create the future perioperativenursing workforce.AORN journal,99(1), pp.96-105. Holm, C., Mayr, M., Tegeler, J., Hrbrand, F., Von Donnersmarck, G. H., Mhlbauer, W., Pfeiffer, U. J. (2004).A clinical randomized study on the effects of invasive monitoring on burn shock resuscitation.Burns,30(8), 798-807. Kaushal, R. P., Vatal, A., Pathak, R. (2015).Effect of etomidate and propofol induction on hemodynamic and endocrine response in patients undergoing coronary artery bypass grafting/mitral valve and aortic valve replacement surgery on cardiopulmonary bypass.Annals of cardiac anaesthesia,18(2), 172. Makkar, R. R., Smith, R. R., Cheng, K. E., Malliaras, K., Thomson, L. E., Berman, D., ... Russell, S. D. (2012). Intracoronary cardiosphere-derived cells for heart regeneration after myocardial infarction (CADUCEUS): a prospective, randomised phase 1 trial.The Lancet,379(9819), 895-904. Myburgh, J. A., Mythen, M. G. (2013).Resuscitation fluids.New England Journal of Medicine,369(13), 1243-1251. Pacagnella, R. C., Souza, J. P., Durocher, J., Perel, P., Blum, J., Winikoff, B., Glmezoglu, A. M. (2013).A systematic review of the relationship between blood loss and clinical signs.Plos one,8(3), e57594. Sagy, M., Al-Qaqaa, Y., Kim, P. (2013).Definitions and pathophysiology of sepsis.Current problems in pediatric and adolescent health care,43(10), 260-263. Sinclair, R. C., Luxton, M. C. (2005). Rapid sequence induction.Continuing Education in Anaesthesia, Critical Care Pain,5(2), 45-48. Stecker, M. M. (2012). A review of intraoperative monitoring for spinal surgery.Surgical neurology international,3(Suppl 3), S174.

What is Economics an Example of the Topic Economics Essays by

What is Economics? Economics refers to a social science that studies how various goods and services are produced, allocated and consumed (Mofid, 27). It can also be the study of the scarce economic resources and how they are used to satisfy human needs. There are two main branches of economics; microeconomics and macroeconomics. Microeconomics is concerned with how individuals make decisions and how those decisions affect supply and price of goods and services in the economy. Microeconomics in a general point of view is all about making choices, scarcity and how the scarce resources satisfy the needs of an individual (Mofid, 28). Macroeconomics on the other hand gives an economy a wide point of view as it provides solutions to economic problems like unemployment, inflation and even taxation policies. Need essay sample on "What is Economics?" topic? We will write a custom essay sample specifically for you Proceed One of the reasons why people study economics is to understand how individuals and even governments try to use the scarce resources to satisfy the unlimited and insatiable human needs. Economics is also studied to help individuals understand the production concepts. This is the concept that outlines the process of production from the raw materials stage to the products in the market. The study of economics has helped many know what to sell and what to buy at what price to avoid losses. Companies and other business enterprises uses the business knowledge to know that one objective of business is to maximize the profits. The study of economics has really helped many governments and states to solve many national problems like unemployment, inflation and even the taxation policies have been understood well by the economic education. Generally, economics is a very vital subject to those who study it and currently it has been included in the curriculum of many colleges and universities. It has helped in solving many microeconomic and macroeconomic issues that surround us. The question of production which is critical in the development of states is well answered in economics. The appropriate allocation of the increasingly scarce resources determines this economic development. Works cited: FunQA.com. What are economic activities? FUnQA.com, 2007-2009. Web: July 12, 2010 from http://www.funqa.com/economics/724-Economics-2.html Mofid, Kamran. Promoting the common good: bringing economics & theology together again. London: Shepherad-Walwyn (Publishers) Ltd. 2005