34. Formation of filtrate depends on a a. pressure gradient b. concentration gra

Question

34. Formation of filtrate depends on a a. pressure gradient b. concentration gradient c. volume gradient d. temperature gradient 35. Plasma contains a much greater concentration of than the glomerular filtrate. a. urea b. water c. protein d. sodium ions 36. Most water is reabsorbed from the filtrate in the a. proximal convoluted tubule b. descending loop of Henle c. ascending loop of Henle d. distal convoluted tubule 37. If the following hypothetical conditions exist in the nephron, calculate the net filtration pressure. glomerular capillary pressure-80mmHg blood colloid osmotic pressure 20mmHg capsular colloid pressure-10mmHg a. 110mmHg b. 90mmHg c. 50mmHg d. 30mmHg 38.The collecting duct becomes more permeable to water when a. colloid osmotic pressure increases b. ADH production increases c. plasma osmolarity decreases d. aldosterone production decreases by the process of active transport. 39. Potassium ion enters the lumen of the a. proximal tubule b. renal corpuscle c. loop of Henle d. distal tubule

Explanation / Answer

34) a Pressure gradient

35) c Protein

36) a Proximal convaluted tubule

37) c 50 mmHg [80 mmHg- (20 mmHg + 10 mmHg)]

38) b ADH production increases

39) d Distal tubule

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