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 42°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)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

Option B shows a properly functioning homeostatic control system where the kidneys excrete excess salt from the body to maintain a balance of salt levels in the blood. This is an example of negative feedback, where the response of the system opposes the stimulus to maintain stability. Options A, C, D, and E do not demonstrate proper homeostasis as they show abnormal responses to stimuli or failure to maintain stability.

An Example of a Properly Functioning Homeostatic Control System Is