What is a normal response to excess loss of body heat in a cold environment?
A) Dermal blood vessels constrict.
B) Sebaceous glands become more active.
C) Blood flow to skin increases.
D) Sweat glands become more active.

Question

Quizplus · Accepted Answer

When the body experiences excess loss of heat in a cold environment, one of the normal physiological responses is the constriction of dermal blood vessels. This process, known as vasoconstriction, reduces blood flow to the skin, minimizing heat loss from the body's surface and helping to conserve core body temperature.

What Is a Normal Response to Excess Loss of Body