Understanding Feedback Loops

What is the primary goal of a negative feedback loop in the body?

• To ignore changes and remain constant

• To amplify changes and move away from the set point

• To maintain changes and stay at the new level

• To reduce changes and return to the set point

How does the body respond when body temperature rises due to exercise?

• The body decreases blood flow

• The body increases heart rate

• The body sweats to cool down

• The body shivers to generate heat

What happens to the body when it is exposed to cold temperatures?

• The body increases blood flow to the skin

• The body shivers to generate heat

• The body decreases heart rate

• The body sweats to cool down

Which of the following is an example of a positive feedback loop?

• Blood sugar regulation

• Heart rate control

• Body temperature regulation

• Blood clotting

How do fruits communicate to nearby fruits to ripen?

• By changing color

• By releasing a gas

• By increasing size

• By altering taste