41. The first part of the small bowel is the: a. Jejunum b. lleum c. Duodenum d.

Question

41. The first part of the small bowel is the: a. Jejunum b. lleum c. Duodenum d. Cecum 42. We have VOLUNTARY co ntrol of our internal urethral sphincter (b)False a. True 43. What are the vasa recta? a. They are rectal veins also known as hemorrhoidal veins. b. The lymphatic vessels carrying nutrients away from the small intestine. c. A system of capillaries in the kidneys that run a parallel course to the loop of henle. d. They are located at the corners of each hepatic (liver) lobule. 44. What is the definition of renal clearance? a. The distance between the kidneys and bladder. b. The volume of blood plasma that the kidneys can clear of a particular substance in a amount of time. The rate at which the kidneys produce urine. The rate at which the Loop of Henle reabsorbs water. c. d.

Explanation / Answer

41.Duodenum.

This is the first part of small intestine.

42. False.

Internal urethral sphincter is under involuntary control.

43. A system of capillaries in the kidneys that run a parallel course to the loop of Henle.

44. The volume of blood plasma that the kidneys can clear of a particular substance in a amount of time.

That means it is the rate at which a particular substance is cleared from blood by kidneys.

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