1. What is the main function of the digestive system?
A. Absorb oxygen
B. Digest food and absorb nutrients
C. Pump blood
D. Filter waste from the blood
Answer: b) Digest food and absorb nutrients
Rationale: The digestive system breaks down food into nutrients,
which are absorbed into the bloodstream for energy and growth.
2. Which of the following is a risk factor for heart disease?
A. High fiber diet
B. Regular physical activity
C. High blood pressure
D. Adequate sleep
Answer: c) High blood pressure
Rationale: High blood pressure is a significant risk factor for
developing heart disease over time.
3. Which of the following is the main function of the respiratory
system?
,A. Pump blood
B. Absorb nutrients
C. Exchange oxygen and carbon dioxide
D. Regulate body temperature
Answer: c) Exchange oxygen and carbon dioxide
Rationale: The respiratory system facilitates the exchange of
oxygen and carbon dioxide between the lungs and the
bloodstream.
4. Which of the following is a primary function of the immune
system?
A. Digestion
B. Movement
C. Defending against infections
D. Circulating blood
Answer: c) Defending against infections
Rationale: The immune system defends the body against
infections and harmful invaders such as bacteria and viruses.
5. Which of the following best describes the role of insulin in the
body?
A. Breaks down carbohydrates into glucose
B. Stimulates the liver to release glucose
, C. Helps regulate blood glucose levels
D. Increases the absorption of glucose in the small intestine
Answer: c) Helps regulate blood glucose levels
Rationale: Insulin is a hormone that helps lower blood glucose
levels by allowing cells to absorb glucose from the blood.
6. Which of the following is an example of a fat-soluble vitamin?
A. Vitamin B12
B. Vitamin C
C. Vitamin A
D. Vitamin B6
Answer: c) Vitamin A
Rationale: Vitamin A is fat-soluble, meaning it can be stored in
the body’s fat cells.
7. What is the function of platelets in the blood?
A. Carry oxygen
B. Help with clotting
C. Fight infections
D. Regulate blood pressure
Answer: b) Help with clotting
A. Absorb oxygen
B. Digest food and absorb nutrients
C. Pump blood
D. Filter waste from the blood
Answer: b) Digest food and absorb nutrients
Rationale: The digestive system breaks down food into nutrients,
which are absorbed into the bloodstream for energy and growth.
2. Which of the following is a risk factor for heart disease?
A. High fiber diet
B. Regular physical activity
C. High blood pressure
D. Adequate sleep
Answer: c) High blood pressure
Rationale: High blood pressure is a significant risk factor for
developing heart disease over time.
3. Which of the following is the main function of the respiratory
system?
,A. Pump blood
B. Absorb nutrients
C. Exchange oxygen and carbon dioxide
D. Regulate body temperature
Answer: c) Exchange oxygen and carbon dioxide
Rationale: The respiratory system facilitates the exchange of
oxygen and carbon dioxide between the lungs and the
bloodstream.
4. Which of the following is a primary function of the immune
system?
A. Digestion
B. Movement
C. Defending against infections
D. Circulating blood
Answer: c) Defending against infections
Rationale: The immune system defends the body against
infections and harmful invaders such as bacteria and viruses.
5. Which of the following best describes the role of insulin in the
body?
A. Breaks down carbohydrates into glucose
B. Stimulates the liver to release glucose
, C. Helps regulate blood glucose levels
D. Increases the absorption of glucose in the small intestine
Answer: c) Helps regulate blood glucose levels
Rationale: Insulin is a hormone that helps lower blood glucose
levels by allowing cells to absorb glucose from the blood.
6. Which of the following is an example of a fat-soluble vitamin?
A. Vitamin B12
B. Vitamin C
C. Vitamin A
D. Vitamin B6
Answer: c) Vitamin A
Rationale: Vitamin A is fat-soluble, meaning it can be stored in
the body’s fat cells.
7. What is the function of platelets in the blood?
A. Carry oxygen
B. Help with clotting
C. Fight infections
D. Regulate blood pressure
Answer: b) Help with clotting
