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

Question

Quizplus · Accepted Answer

Option B describes a properly functioning homeostatic control system where the kidneys excrete salt into the urine when dietary salt levels rise to maintain a consistent balance of salt in the body. Option A describes a disturbance of homeostasis where the body temperature rises above the normal range. Option C describes a physical response of a blood cell to its environment and is not an example of a control system. Option D does not provide enough information to determine if it is a properly functioning homeostatic control system.

An Example of a Properly Functioning Homeostatic Control System Is