Knowledge Chemical Messages for Homeostasis

Homeostasis Quiz

1. What is homeostasis?

The ability of an organism to maintain a stable internal environment
The process of cell division
The flow of blood through the body
The breakdown of food

2. Which of the following is NOT a key factor in maintaining homeostasis?

Temperature
Blood sugar levels
Oxygen levels
External temperature only

3. What are hormones?

Chemical messengers produced by glands
Cells in the nervous system
Proteins found in food
Waste products of the body

4. Which gland is known as the "master gland"?

Pituitary gland
Thyroid gland
Adrenal gland
Pancreas

5. Which hormone regulates blood sugar levels?

Insulin
Adrenaline
Growth hormone
Thyroxine

6. What is the function of the thyroid gland?

Regulates metabolism
Controls blood pressure
Produces digestive enzymes
Stimulates muscle growth

7. Which hormone is responsible for the "fight-or-flight" response?

Insulin
Adrenaline
Testosterone
Estrogen

8. What is the role of the nervous system in homeostasis?

To provide structural support
To transport nutrients
To coordinate and regulate body functions
To produce hormones

9. How do hormones travel throughout the body?

Through the air
Through the bloodstream
Through the bones
Through the skin

10. What happens when homeostasis is disrupted?

The body functions normally
Diseases or disorders can occur
There are no significant effects
The body becomes more efficient