Homeostasis Quiz

Homeostasis is ________.

• the ability to move

• the stability of the internal environment

• the production of energy

• the ability to reproduce

A feedback loop that amplifies the initial response is ________.

• Negative feedback

• Positive feedback

• Neutral feedback

• Inhibitory feedback

The type of transport that requires energy is ________.

• Simple diffusion

• Osmosis

• Active transport

• Facilitated diffusion

The organ that regulates blood sugar levels is the ________.

• Heart

• Lungs

• Pancreas

• Kidney

An enzyme in a chemical reaction ________.

• slows down the reaction

• stops the reaction

• speeds up the reaction

• changes the products of the reaction

A receptor in a feedback loop is the part that ________.

• produces the response

• receives the stimulus

• triggers a change

• provides the output

When the body gets too hot, ________ occurs.

• Blood vessels constrict

• Sweat glands activate

• Shivering increases

• Heart rate decreases

Insulin’s role in blood sugar regulation is to ________.

• Break down glucose

• Convert glucose into glycogen

• Increase blood glucose

• Stimulate the breakdown of fats

A positive feedback loop example is ________.

• Blood clotting

• Body temperature regulation

• Water balance regulation

• Breathing rate control

Cells regulate enzyme activity by ________.

• Changing the cell membrane composition

• Altering the amount of enzyme produced

• Changing the cell's shape

• Increasing the temperature