NEGATIVE FEEDBACK MECHANISM

Question 1

A negative feedback mechanism regulates ______ and ______?

Answer 1

All body system and maintains homeostasis

Question 2

What does the word negative in NFM means?

Answer 2

To decrease

Question 3

This means that any deviation/fluctuation from the setpoint is decreased or resisted.

Answer 3

Negative Feedback Mechanism

Question 4

Negative Feedback Mechanism________ but _____ fluctuation within the normal range

Answer 4

do not prevent but maintains

Question 5

What are the 3 components of NFM?

Answer 5

Receptor, control center, and effector

Question 6

Monitors the value of the variable by detecting stimuli

Answer 6

Receptor

Question 7

Any detectable change in the physical and chemical structure of organisms in their internal or external environment.

Answer 7

Stimulus

Question 8

Also known as a changed variable since it initiates a homeostatic mechanism.

Answer 8

Stimulus

Question 9

Determines the set point of the variable and receives input about the variable from the receptor.

Answer 9

Control center

Question 10

Any part of the brain such as the hypothalamus is what type of NFM component?

Answer 10

Control center

Question 11

Changes the value of the variable when mandated by the control center

Answer 11

Effector

Question 12

Examples of an effector…

Answer 12

Sweat glands, and skin blood vessels