A rise in the osmolality of extracellular fluid may lead to A. Thirst

1.	A rise in the osmolality of extracellular fluid may lead to A. Thirst. B. Increased water reabsorption in the proximal convoluted tubules. C. Release of vasopressin. D. A fall in intracellular fluid volume. E. Suppression of sweat secretion.
Answer» A. True Due to stimulation of hypothalamic osmoreceptors. B. False Water reabsorption in proximal tubules is not geared to meet body water needs. C. True Impulses from hypothalamic osmoreceptors cause release of pituitary vasopressin. D. True The cells shrink as fluid is drawn out osmotically. E. False Sweat production is not geared to body fluid requirements.

A rise in the osmolality of extracellular fluid may lead to A. Thirst. B. Increased water reabsorption in the proximal convoluted tubules. C. Release of vasopressin. D. A fall in intracellular fluid volume. E. Suppression of sweat secretion.

Answer»

A. True Due to stimulation of hypothalamic osmoreceptors.

B. False Water reabsorption in proximal tubules is not geared to meet body water needs.

C. True Impulses from hypothalamic osmoreceptors cause release of pituitary vasopressin.

D. True The cells shrink as fluid is drawn out osmotically.

E. False Sweat production is not geared to body fluid requirements.

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A rise in the osmolality of extracellular fluid may lead to A. Thirst. B. Increased water reabsorption in the proximal convoluted tubules. C. Release of vasopressin. D. A fall in intracellular fluid volume. E. Suppression of sweat secretion.

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