SECTION III: ENDOCRINE & REPRODUCTIVE PHYSIOLOGY

SECTION III. ENDOCRINE & REPRODUCTIVE PHYSIOLOGY

Thirst is stimulated by

A. increases in plasma osmolality and volume.

B. an increase in plasma osmolality and a decrease in plasma volume.

C. a decrease in plasma osmolality and an increase in plasma volume.

D. decreases in plasma osmolality and volume.

E. injection of vasopressin into the hypothalamus.

When an individual is naked in a room in which the air temperature is 21°C (69.8°F) and the humidity 80%, the greatest amount of heat is lost from the body by

A. elevated metabolism.

B. respiration.

C. urination.

D. vaporization of sweat.

E. radiation and conduction.

Activation of G_s

A. V_1A vasopressin receptors

B. V₂ vasopressin receptors

C. Both (A and B)

D. Neither (A) nor (B)

Vasoconstriction

A. V_1A vasopressin receptors

B. V₂ vasopressin receptors

C. Both (A and B)

D. Neither (A) nor (B)

Increase in intracellular inositol triphosphate

A. V_1A vasopressin receptors

B. V₂ vasopressin receptors

C. Both (A and B)

D. Neither (A) nor (B)

Movement of aquaporin

A. V_1A vasopressin receptors

B. V₂ vasopressin receptors

C. Both (A and B)

D. Neither (A) nor (B)

Proteinuria

A. V_1A vasopressin receptors

B. V₂ vasopressin receptors

C. Both (A and B)

D. Neither (A) nor (B)

Milk ejection