Under which of these circumstances is the thirst mechanism NOT invoked
A)when the ECF volume decreases
B)when the plasma osmolarity decreases
C)when hypothalamic osmoreceptors are activated
D)when there is dryness in the mouth

Question

Quizplus · Accepted Answer

The thirst mechanism is typically not invoked when the plasma osmolarity decreases. This is because a decrease in plasma osmolarity indicates that the body fluids are more dilute, which usually does not trigger the need to drink water.

Under Which of These Circumstances Is the Thirst Mechanism NOT