Adrenocorticotropic hormone
a. is a tropic hormone secreted by the adrenal cortex.
b. stimulates the production of androgens by the testes.
c. is controlled in part by CRH from the hypothalamus.
d. both (a) and (c) above.
e. all of these answers.
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Question 2) In this condition, all layers of the adrenal show insufficiency:
a. Cushing's
b. Lordon's
c. Conn's
d. Addison's
e. both (c) and (d)
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Question 3) Which syndrome is associated with excess mineralcorticoid secretion?
a. Cushing's
b. Lordon's
c. Conn's
d. Addison's
e. both (c) and (d)
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Question 4) Diurnal variation in secretion
a. occurs with glucocorticoids.
b. is related to the sleep-awake cycle.
c. occurs as a result of stress.
d. both (a) and (b) above.
e. all of these answers.
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Question 5) The major factor that promotes increased secretion of cortisol from the adrenal cortex is
a. low Na+ concentration in the extracellular fluid.
b. stress.
c. angiotensin II.
d. increased blood amino acid concentration.
e. increased blood glucose concentration.
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Question 6) The actions of glucocorticoids include
a. increased gluconeogenesis and glycogenolysis.
b. increased fat mobilization.
c. increased breakdown of muscle proteins.
d. anti-inflammatory and immunosuppressive effects at pharmacological levels.
e. all of these answers.
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Question 7) Which of the following hormones exhibits a marked diurnal variation in secretion?
a. aldosterone.
b. cortisol.
c. thyroid hormone.
d. epinephrine.
e. calcitonin.
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Question 8) Mineralocorticoids
a. stimulate gluconeogenesis.
b. stimulate protein degradation.
c. act at the kidneys to promote sodium retention and enhance potassium elimination.
d. contribute to the pubertal growth spurt.
e. are important in maintaining proper plasma calcium levels.
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Question 9) Aldosterone
a. enhances the ability of the kidneys to eliminate excess K+.
b. directly promotes H2O conservation by the kidneys.
c. secretion is encourages by angiotensin II.
d. is nonsteroidal.
e. is produced ion the adrenal medulla.
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Question 10) Aldosterone
a. causes conservation of sodium.
b. facilitates lipolysis.
c. promotes gluconeogenesis.
d. is regulated by ACTH.
e. is secreted by the adrenal medulla.
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