Kidney Multiple Choice Questions and Answers

31. The hypothalamus will effect the release of ADH in response to all the following stimuli except

1. dehydration
2. severe hemorrhage
3. nicotine
4. pain, anxiety, or surgical stress

32. The primary renal site for the secretion of organic ions e.g urate, creatinine is

1. proximal tubule
2. loop of Henle
3. distal tubule
4. collecting duct

33. The volume of plasma needed each minute to supply a substance at the rate at which it is excreted in the urine is known as the

1. diffusion constant of the substance
2. clearance of the substance
3. extraction ratio of the substance
4. tubular mass of the substance

34. Urinary volume is increased by all the following except

1. diabetes insipidus
2. diabetes mellitus
3. sympathetic stimulation
4. increased renal arterial pressure

35. When a person is dehydrated, hypotonic fluid will be found in the

1. glomerular filtrate
2. proximal tubule
3. loop of Henle
4. distal convoluted tubule

36. Which of the following substances will be more concentrated at the end of the proximal tubule than at the beginning of the proximal tubule ?

1. glucose
2. creatinine
3. sodium
4. bicarbonate

37. Which one of the following statements about aldosterone is correct?

1. it produces its effect by activating C-AMP
2. it produces its effect by increasing membrane permeability to potassium
3. it causes an increased reabsorption of hydrogen ion
4. it has its main effect on the proximal tubule