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- Which of the following is incorrect regarding the bicarbonate buffer system: A B C D an increase in proton will lower blood pH carbonic anhydrase catalyzes the formation of carbonic acid from proton and bicarbonate ion the purpose of the buffer system is to resist changes in blood pH alkalosis is defined as a pH of > 7.45Bicarbonate is one of the main buffers of the blood, andphosphate is the main buffer of the cells. Why might this be?Why are the bicarbonate and phosphate buffers the main buffers in the blood and cells, respectively, and not vice versa?
- A client with multiple medical issues has the following ABG results: pH: 7.50 PCO2: 41 HCO3: 32 P02: 96 What is your interpretation of this result? O respiratory acidosis O metabolic acidosis metabolic alkalosis O respiratory alkalosisWhy do women recieving oxytocin (to facilitate childbirth) become edematous? In the early days of oxytocin therapy, when this effect was not recognized, some women died of water intoxication. Explain.The following is the major intracellular electrolyte diffusing from the ICF into the ECF across a selectively permeable cell membrane: O a. Na O b. Ca O c. P Odk O e.o
- Concerning the reaction that is catalysed by carbonic anhydrase in red blood cells, briefly describe how the products of this reaction contribute to the buffering capacity of body fluids .A 5% dextrose is isoosmotic to plasma. What effect would infusion of 1L of a 5% dextrose solution have on ECF and ICF volumes? How it would affect body fluid osmolality of a 70 kg individual and why?Consider the equilibrium shown below; indicating the buffering system in the blood circulation. CO, + H,0 [H,CO3] HCO3¯+H* When a patient is choking, would this lead to an alkalosis or an acidosis situation? Explain.
- In your own words, explain the Mechanism of Buffer Action.Calcium carbonate (CaCO₃(s)) is an important building material (limestone) and a quick cure for acid indigestion (TUMS). Ksp = 8.7x10⁻⁹ for CaCO₃(s). What, if any, is the effect of lowering the pH (as occurs in acid rain and acid indigestion) on the solubility of CaCO₃(s). (hint: use Le Chatelier's principle) A) there is no effect from lowering pH on CaCO₃(s) solubility B) lowering pH increases the CaCO₃(s) solubility C) additional information is required to determine the outcome D) lowering the pH lowers the solubilityExplain the mechanism how furosemide affects kidney tubules. How does this affect K+ balance? How different is the mechanism of thiazide affect urine production? Describe the process of acid-base regulation in human body.
