Which of the following results in thirst?

Ans. A. Cardiac failurea. Cardiac failure results in a decrease in effective arterial blood volume, which stimulates thirst.b. Because angiotensin stimulates thirst, a low plasma level would have the opposite effect.c. Distension of the atria (increased blood volume) or stomach inhibits thirst. Volume expansion and a low plasma osmolality both inhibit thirst.