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Chapter 19. The Adrenal Medulla & Adrenal Cortex

Which of the following is produced only by large amounts of glucocorticoids?

A. Normal responsiveness of fat depots to norepinephrine

B. Maintenance of normal vascular reactivity

C. Increased excretion of a water load

D. Inhibition of the inflammatory response

E. Inhibition of ACTH secretion

Which of the following are incorrectly paired?

A. Gluconeogenesis : Cortisol

B. Free fatty acid mobilization : Dehydroepiandrosterone

C. Muscle glycogenolysis : Epinephrine

D. Kaliuresis : Aldosterone

E. Hepatic glycogenesis : Insulin

Which of the following hormones has the shortest plasma half-life?

A. Corticosterone

B. Renin

C. Dehydroepiandrosterone

D. Aldosterone

E. Norepinephrine

Mole for mole, which of the following has the greatest effect on Na+ excretion?

A. Progesterone

B. Cortisol

C. Vasopressin

D. Aldosterone

E. Dehydroepiandrosterone

Mole for mole, which of the following has the greatest effect on plasma osmolality?

A. Progesterone

B. Cortisol

C. Vasopressin

D. Aldosterone

E. Dehydroepiandrosterone

The secretion of which of the following would be least affected by a decrease in extracellular fluid volume?

A. CRH

B. Arginine vasopressin

C. Dehydroepiandrosterone

D. Estrogens

E. Aldosterone

A young man presents with a blood pressure of 175/110 mm Hg. He is found to have a high circulating aldosterone but a low circulating cortisol. Glucocorticoid treatment lowers his circulating aldosterone and lowers his blood pressure to 140/85 mm Hg. He probably has an abnormal

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