Aldosterone is released from the in response to a

41) Aldosterone is released from the ________ in response to ________.
A) adrenal medulla : decreases in plasma sodium
B) adrenal cortex : increases in plasma potassium
C) posterior pituitary : increases in plasma osmolarity
D) pancreas : increases in plasma glucose
E) macula densa : increased flow of tubular fluid in the distal tubule
Answer: B
Diff: 4 Page Ref: 551
42) Which of the following is an effect of aldosterone on principal cells?
D
Diff: 5 Page Ref: 548
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43) Which of the following is associated with actions of aldosterone on principal cells?
B
Diff: 4 Page Ref: 548
44) Renin is released by ________ cells of the ________.
B
Diff: 5 Page Ref: 548
45) What enzyme converts angiotensinogen into angiotensin I.
A) Carbonic anhydrase
B) Atrial natriuretic peptide
C) Angiotensin converting enzyme (ACE)
D) Renin
E) Mucin
Answer: D
Diff: 4 Page Ref: 548
46) What enzyme converts angiotensin I into angiotensin II.
C
Diff: 4 Page Ref: 548
47) Which of the following is NOT one of the functions of angiotensin II?
E
Diff: 4 Page Ref: 548
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48) Angiotensin II acts directly in the hypothalamus to stimulate what?
A
Diff: 5 Page Ref: 550
49) Which of the following conditions is NOT responsible for stimulating the release of renin?
A) decreased pressure within the afferent arteriole
B) increase in sympathetic nerve activity
C) decrease in sodium and chloride in the distal tubule
D) increased glomerular filtration rate
E) decreased mean arterial pressure
Answer: D
Diff: 5 Page Ref: 548