BIOS 150 Week 1 Quiz Exam 3 (Latest
Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A -
Chamberlain
1. The main function of the circulatory system is:
A. Digest food
B. Transport nutrients, gases, and wastes
C. Produce hormones
D. Control movement
Correct Answer: B
Rationale: Delivers oxygen and nutrients to tissues and removes
waste products.
2. The heart has how many chambers?
A. 2
B. 3
C. 4
D. 5
Correct Answer: C
Rationale: Two atria and two ventricles allow efficient circulation.
,3. The right side of the heart pumps blood to:
A. Lungs
B. Body
C. Liver
D. Kidneys
Correct Answer: A
Rationale: Pulmonary circulation allows gas exchange in the lungs.
4. The left side of the heart pumps blood to:
A. Body
B. Lungs
C. Brain only
D. Heart only
Correct Answer: A
Rationale: Systemic circulation delivers oxygen-rich blood to the
entire body.
5. Valves in the heart prevent:
A. Backflow of blood
B. Blood clotting
C. Digestion
D. Hormone secretion
Correct Answer: A
Rationale: Ensures one-way blood flow through the heart.
,6. Arteries carry blood:
A. Away from the heart
B. To the heart
C. Only deoxygenated blood
D. Only veins
Correct Answer: A
Rationale: Blood leaves the heart under high pressure through
arteries.
7. Veins carry blood:
A. To the heart
B. Away from the heart
C. Only oxygenated blood
D. Only capillaries
Correct Answer: A
Rationale: Returns blood under low pressure to the heart.
8. Capillaries function to:
A. Allow exchange of gases, nutrients, and wastes
B. Pump blood
C. Produce hormones
D. Store fat
Correct Answer: A
Rationale: Thin walls enable diffusion between blood and tissues.
, 9. Red blood cells contain:
A. Hemoglobin
B. Platelets
C. Plasma
D. White blood cells
Correct Answer: A
Rationale: Hemoglobin binds oxygen for transport.
10. White blood cells function to:
A. Defend against infection
B. Transport oxygen
C. Form clots
D. Digest food
Correct Answer: A
Rationale: Part of the immune system.
11. Platelets function to:
A. Aid in blood clotting
B. Transport oxygen
C. Fight infection
D. Store nutrients
Correct Answer: A
Rationale: Aggregate at injury sites to prevent bleeding.
12. Plasma is:
Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A -
Chamberlain
1. The main function of the circulatory system is:
A. Digest food
B. Transport nutrients, gases, and wastes
C. Produce hormones
D. Control movement
Correct Answer: B
Rationale: Delivers oxygen and nutrients to tissues and removes
waste products.
2. The heart has how many chambers?
A. 2
B. 3
C. 4
D. 5
Correct Answer: C
Rationale: Two atria and two ventricles allow efficient circulation.
,3. The right side of the heart pumps blood to:
A. Lungs
B. Body
C. Liver
D. Kidneys
Correct Answer: A
Rationale: Pulmonary circulation allows gas exchange in the lungs.
4. The left side of the heart pumps blood to:
A. Body
B. Lungs
C. Brain only
D. Heart only
Correct Answer: A
Rationale: Systemic circulation delivers oxygen-rich blood to the
entire body.
5. Valves in the heart prevent:
A. Backflow of blood
B. Blood clotting
C. Digestion
D. Hormone secretion
Correct Answer: A
Rationale: Ensures one-way blood flow through the heart.
,6. Arteries carry blood:
A. Away from the heart
B. To the heart
C. Only deoxygenated blood
D. Only veins
Correct Answer: A
Rationale: Blood leaves the heart under high pressure through
arteries.
7. Veins carry blood:
A. To the heart
B. Away from the heart
C. Only oxygenated blood
D. Only capillaries
Correct Answer: A
Rationale: Returns blood under low pressure to the heart.
8. Capillaries function to:
A. Allow exchange of gases, nutrients, and wastes
B. Pump blood
C. Produce hormones
D. Store fat
Correct Answer: A
Rationale: Thin walls enable diffusion between blood and tissues.
, 9. Red blood cells contain:
A. Hemoglobin
B. Platelets
C. Plasma
D. White blood cells
Correct Answer: A
Rationale: Hemoglobin binds oxygen for transport.
10. White blood cells function to:
A. Defend against infection
B. Transport oxygen
C. Form clots
D. Digest food
Correct Answer: A
Rationale: Part of the immune system.
11. Platelets function to:
A. Aid in blood clotting
B. Transport oxygen
C. Fight infection
D. Store nutrients
Correct Answer: A
Rationale: Aggregate at injury sites to prevent bleeding.
12. Plasma is:
