As a result of playing tennis in the summer heat without proper hydration, you have become very dehydrated. You are now in hypernatremia, a condition where your blood sodium levels are too high. Your brain tells you to drink water and, as a result, your blood sodium and hydration levels go back to normal. This illustrates
A) positive feedback.
B) stimulus reinforcement.
C) negative feedback.
D) diagnostic regulation.
E) both positive and negative feedback loops.

Question

Quizplus · Accepted Answer

This scenario describes the process of negative feedback, where the body responds to a stimulus (dehydration) by detecting a change (hypernatremia) and then working to reverse that change (by prompting the individual to drink water to bring blood sodium levels back to normal).

As a Result of Playing Tennis in the Summer Heat