Question

What is the role of the receptor in a feedback system?



It contains the set point for the variable that is being controlled.



It measures changes in the variable that is being controlled.



It produces output that will have a direct effect on the variable that is being controlled.

Answer 1

@Ail.A

Answer 2

B. It measures changes in the variable that is being controlled.

A perfect example of this would be the negative feedback mechanism involved in maintaining body temperature. Should a change in body temperature occur, thermoreceptors send signals to the control center (the hypothalamus). This will cause the hypothalamus to trigger the appropiate responses, depending on whether there has been an increase or a decrease in body temperature.

Choice (A) is characteristic of the control center, and choice (C) is the role of the effectors.
Source:
A.S. Liberal arts and sciences (science and mathematics), B.S. clinical laboratory sciences/biology in progress