An example of a properly functioning homeostatic control system is seen when
A) the core body temperature of a runner rises gradually from 37°C to 45°C.
B) the kidneys excrete salt into the urine when dietary salt levels rise.
C) a blood cell shrinks when placed in a solution of salt and water.
D) the blood pressure increases in response to an increase in blood volume.
E) the level of glucose in the blood is abnormally high whether or not a meal has been eaten.

Question

Quizplus · Accepted Answer

Homeostasis refers to the body's ability to maintain a stable internal environment. In this case, the kidneys are excreting salt into the urine when dietary salt levels rise in order to maintain a proper balance of electrolytes in the body. This is an example of a properly functioning homeostatic control system. The other options all describe situations where the body is not successfully maintaining homeostasis.

An Example of a Properly Functioning Homeostatic Control System Is