The major secretory products of the zona glomerulosa of the adrenal cortex are
A. glucocorticoids.
B. mineralocorticoids.
C. androgens.
D. catecholamines.
E. cortisol and ADH.
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Question 2) A tumor in the adrenal cortex causes excessively high levels of aldosterone. The high aldosterone levels cause
A. hyponatremia.
B. acidosis.
C. hypokalemia.
D. hypocalcemia.
E. hyperkalemia.
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Question 3) The zona fasciculata of the adrenal glands secretes the hormone
A. androstenedione.
B. aldosterone.
C. cortisol.
D. epinephrine.
E. ADH.
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Question 4) The glucocorticoids
A. stimulate gluconeogenesis.
B. increase the inflammatory response.
C. supplement the sex hormones from the gonads.
D. decrease synthesis of glycogen.
E. stimulate glycogenolysis.
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Question 5) Which of the following will decrease glucocorticoid secretion by the adrenal cortex?
A. hypoglycemia and stress
B. increased CRH production
C. increased plasma levels of cortisol
D. increased plasma levels of ACTH
E. decreased plasma levels of cortisol
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Question 6) The primary stimulus for release of adrenal medullary hormones comes from
A. the kidneys.
B. aldosterone.
C. the anterior pituitary.
D. the parasympathetic nervous system.
E. the sympathetic nervous system.
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Question 7) Which of these hormones is NOT secreted by the adrenal cortex?
A. cortisol
B. norepinephrine
C. androgens
D. aldosterone
E. glucocorticoids
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Question 8) The adrenal medulla
A. plays a role in the adaptation of the body for physical activity.
B. decreases its secretions during stress.
C. has acetylcholine as its major secretory product.
D. is stimulated by the parasympathetic nervous system.
E. is the outer layer of the adrenal glands.
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Question 9) An injection of epinephrine would
A. increase heart rate, increase blood pressure, and increase gastric tract motility.
B. decrease heart rate, decrease blood pressure, and increase gastric tract motility.
C. increase heart rate, increase blood pressure, and decrease gastric tract motility.
D. decrease heart rate, decrease gastric motility, and increase blood pressure.
E. have no effect on the heart or the GI tract.
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Question 10) The endocrine glands located on top of the kidneys are the
A. thyroid glands.
B. vestibular glands.
C. adrenal glands.
D. parathyroid glands.
E. renal glands.
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