BIOS 150 Week 5 Quiz Exam 4 (Latest
Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A -
Chamberlain
1. What is the main function of the circulatory system?
A. Digestion
B. Transport of substances
C. Respiration
D. Reproduction
Correct Answer: B. Transport of substances
Rationale: It carries oxygen, nutrients, hormones, and waste
products.
2. What organ pumps blood throughout the body?
A. Lung
B. Heart
C. Liver
D. Kidney
Correct Answer: B. Heart
Rationale: The heart acts as a pump to circulate blood.
,3. What are blood vessels?
A. Organs
B. Tubes that carry blood
C. Cells
D. Hormones
Correct Answer: B. Tubes that carry blood
Rationale: Includes arteries, veins, and capillaries.
4. What type of vessel carries blood away from the heart?
A. Veins
B. Arteries
C. Capillaries
D. Lymph vessels
Correct Answer: B. Arteries
Rationale: Arteries transport oxygenated blood from the heart.
5. What type of vessel carries blood toward the heart?
A. Arteries
B. Veins
C. Capillaries
D. Nerves
Correct Answer: B. Veins
Rationale: Veins return blood to the heart.
6. What are capillaries?
,A. Large vessels
B. Small vessels for exchange
C. Organs
D. Cells
Correct Answer: B. Small vessels for exchange
Rationale: Exchange of gases and nutrients occurs here.
7. What is blood composed of?
A. Plasma only
B. Cells only
C. Plasma and cells
D. Water only
Correct Answer: C. Plasma and cells
Rationale: Blood contains plasma, RBCs, WBCs, and platelets.
8. What is plasma?
A. Solid
B. Liquid part of blood
C. Cell
D. Protein
Correct Answer: B. Liquid part of blood
Rationale: Carries nutrients and wastes.
9. What do red blood cells carry?
, A. Nutrients
B. Oxygen
C. Hormones
D. Waste only
Correct Answer: B. Oxygen
Rationale: Hemoglobin binds oxygen.
10. What do white blood cells do?
A. Carry oxygen
B. Fight infection
C. Clot blood
D. Transport nutrients
Correct Answer: B. Fight infection
Rationale: Protect the body from pathogens.
11. What are platelets responsible for?
A. Oxygen transport
B. Blood clotting
C. Hormone transport
D. Digestion
Correct Answer: B. Blood clotting
Rationale: Prevent excessive bleeding.
12. What is hemoglobin?
Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A -
Chamberlain
1. What is the main function of the circulatory system?
A. Digestion
B. Transport of substances
C. Respiration
D. Reproduction
Correct Answer: B. Transport of substances
Rationale: It carries oxygen, nutrients, hormones, and waste
products.
2. What organ pumps blood throughout the body?
A. Lung
B. Heart
C. Liver
D. Kidney
Correct Answer: B. Heart
Rationale: The heart acts as a pump to circulate blood.
,3. What are blood vessels?
A. Organs
B. Tubes that carry blood
C. Cells
D. Hormones
Correct Answer: B. Tubes that carry blood
Rationale: Includes arteries, veins, and capillaries.
4. What type of vessel carries blood away from the heart?
A. Veins
B. Arteries
C. Capillaries
D. Lymph vessels
Correct Answer: B. Arteries
Rationale: Arteries transport oxygenated blood from the heart.
5. What type of vessel carries blood toward the heart?
A. Arteries
B. Veins
C. Capillaries
D. Nerves
Correct Answer: B. Veins
Rationale: Veins return blood to the heart.
6. What are capillaries?
,A. Large vessels
B. Small vessels for exchange
C. Organs
D. Cells
Correct Answer: B. Small vessels for exchange
Rationale: Exchange of gases and nutrients occurs here.
7. What is blood composed of?
A. Plasma only
B. Cells only
C. Plasma and cells
D. Water only
Correct Answer: C. Plasma and cells
Rationale: Blood contains plasma, RBCs, WBCs, and platelets.
8. What is plasma?
A. Solid
B. Liquid part of blood
C. Cell
D. Protein
Correct Answer: B. Liquid part of blood
Rationale: Carries nutrients and wastes.
9. What do red blood cells carry?
, A. Nutrients
B. Oxygen
C. Hormones
D. Waste only
Correct Answer: B. Oxygen
Rationale: Hemoglobin binds oxygen.
10. What do white blood cells do?
A. Carry oxygen
B. Fight infection
C. Clot blood
D. Transport nutrients
Correct Answer: B. Fight infection
Rationale: Protect the body from pathogens.
11. What are platelets responsible for?
A. Oxygen transport
B. Blood clotting
C. Hormone transport
D. Digestion
Correct Answer: B. Blood clotting
Rationale: Prevent excessive bleeding.
12. What is hemoglobin?
