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The ________ lie between and around the glomerular capillaries

 The ________ lie between and around the glomerular capillaries.

48) The specialized cells found in the capsule epithelium are called ________. These cells have long cytoplasmic extensions called ________.

49) Neural control of GFR is mediated by ________ that innervate ________ receptors on vascular smooth muscle causing ________.

50) The excretion of glucose in the urine is called ________.

51) Place the following blood vessels that carry blood to and within the kidney in the order in which blood passes through them.

1. afferent arteriole

2. efferent arteriole

3. glomerulus

4. peritubular capillary

A) 4, 2, 3, 1

B) 1, 3, 2, 4

C) 4, 3, 2, 1

D) 1, 2, 3, 4

E) 3, 4, 2, 1

52) When the plasma concentration of a substance exceeds its renal concentration, more of the substance will be

A) filtered.

B) reabsorbed.

C) secreted.

D) excreted.

E) None of the answers are correct.

53) Damage to the renal medulla would interfere first with the functioning of the

A) Bowman's capsule.

B) distal tubule.

C) collecting ducts.

D) proximal tubule.

E) glomerulus.

54) An obstruction in a glomerulus would affect the flow of blood into the

A) renal artery.

B) efferent arteriole.

C) afferent arteriole.

D) renal vein.

55) If blood flow through the afferent arterioles increases,

A) stretch reflexes trigger vasoconstriction to reduce the flow.

B) the smooth muscle in the vessel walls stretches to accommodate the increased flow.

C) the stretch triggers further relaxation of the arteriolar wall, lessening blood pressure.

D) the smooth muscle in the vessel walls stretches to accommodate the increased flow and the stretch triggers further relaxation of the arteriolar wall, lessening blood pressure.

56) Urea is

A) actively secreted in the distal tubule.

B) actively reabsorbed in the proximal tubule.

C) passively reabsorbed in the proximal tubule.

D) completely eliminated in the urine.

E) actively transported into the filtrate by the cells of the collecting duct.

Dec 11 2019 View more View Less

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