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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 Gs

A. V1A vasopressin receptors

B. V2 vasopressin receptors

C. Both (A and B)

D. Neither (A) nor (B)

Vasoconstriction

A. V1A vasopressin receptors

B. V2 vasopressin receptors

C. Both (A and B)

D. Neither (A) nor (B)

Increase in intracellular inositol triphosphate

A. V1A vasopressin receptors

B. V2 vasopressin receptors

C. Both (A and B)

D. Neither (A) nor (B)

Movement of aquaporin

A. V1A vasopressin receptors

B. V2 vasopressin receptors

C. Both (A and B)

D. Neither (A) nor (B)

Proteinuria

A. V1A vasopressin receptors

B. V2 vasopressin receptors

C. Both (A and B)

D. Neither (A) nor (B)

Milk ejection

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