ID: A 49. Which blood vessel drains the vasa recta? a. Lobar vein b. Arcuate vei

Question

ID: A 49. Which blood vessel drains the vasa recta? a. Lobar vein b. Arcuate vein c. Interlobular vein d. Both B and C 50. Fluid in the nephron would flow through these structures in which order? a. Proximal tubule, loop of Henle, bowman capsule, distal tubule, collecting duct b. Bowman capsule, loop of Henle, proximal tubule, distal tubule, collecting duct c. Bowman capsule, proximal tubule, loop of Henle, distal tubule, collecting duct d. None of the above are in the correct order 51. Which structure of the kidney narrows as it exits the kidney to become the ureter? a. Renal pyramids b. Renal pelvis c. Renal columns d. Hilum 52. In the average bladder, what amount of urine would cause a moderately distended sensation and the desire to void? a. 250 ml b. 100 ml c. 600 ml d. 150 ml 53. The mechanism for voiding begins with: a. the relaxation of the internal sphincter. the contraction of the muscles of the bladder. b. the relaxation of the external sphincter. c. d. a parasympathetic impulse sent to the bladder. Which nitrogenous waste is the most abundant found in urine? a. Uric acid b. Urea c. Ammonia d. Creatinine 54. Which hormone tends to increase the amount of urine produced? a. ANH b. Aldosterone 55. c. ADH d. Both B and C

Explanation / Answer

Answers

49) Both Arcuate vein and Interlobular vein drians vasa recta.
- There is a corticomedullary junction that empties the drainage into either arcuate or interlobular veins.
Option D) Both B and C

50) The order for fluid flow in nephrone is :

Bowman capsule -------> Proximal tubule ------> Loop of henle ---------> Distal tubule --------> Collecting duct
Option C

51) Renal pelvis of the kidney narrows as it exits the kidney to become the ureter.
Option B

52) In the average bladder, 250ml of urine would cause a moderately distended sensation and the desire to void.
Option A

53) The mechanism of voiding begins with : The relaxation of the external sphicter
Option C

54) Urea is the most abaundant nitrogenous waste found in urine.
Option B

55) ANH ( atrial natriuretic pepetide) hormone tends to increase the amount of urine produced.
Option A

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