When Total Body Water Decreases by as Small a Percentage

Question

When total body water decreases by as small a percentage as 1%, which of the following may occur?
A) Increased blood pressure
B) Increased output of water
C) Increased saliva
D) Triggering of thirst
E) Decreased blood volume

Accepted Answer

When total body water decreases, even by as little as 1%, it can trigger the sensation of thirst as a physiological response to encourage water intake and help restore the body's fluid balance.