BIOS 252 Week 4 Quiz Exam final (Latest
Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A -
Chamberlain
1. The primary function of hemoglobin is to:
A. Fight infection
B. Clot blood
C. Carry oxygen
D. Produce antibodies
Correct Answer: C
Rationale: Hemoglobin binds oxygen in the lungs and transports it
to tissues.
2. Which blood cell is primarily responsible for immunity?
A. Erythrocytes
B. Platelets
C. Leukocytes
D. Plasma
Correct Answer: C
,Rationale: Leukocytes (white blood cells) defend the body against
pathogens.
3. Platelets are mainly involved in:
A. Oxygen transport
B. Immunity
C. Blood clotting
D. Hormone transport
Correct Answer: C
Rationale: Platelets form plugs to stop bleeding.
4. The liquid portion of blood is called:
A. Serum
B. Plasma
C. Cytosol
D. Lymph
Correct Answer: B
Rationale: Plasma carries nutrients, hormones, and waste products.
5. Which blood type is known as the universal donor?
A. AB
B. A
C. B
D. O
,Correct Answer: D
Rationale: Type O lacks A and B antigens, reducing rejection risk.
6. The heart has how many chambers?
A. 2
B. 3
C. 4
D. 5
Correct Answer: C
Rationale: The heart has two atria and two ventricles.
7. The left ventricle pumps blood to the:
A. Lungs
B. Right atrium
C. Body
D. Liver
Correct Answer: C
Rationale: It pumps oxygenated blood through systemic circulation.
8. The right atrium receives blood from the:
A. Lungs
B. Body
C. Heart
D. Kidneys
, Correct Answer: B
Rationale: Deoxygenated blood enters via the vena cava.
9. Which vessel carries oxygenated blood?
A. Pulmonary artery
B. Pulmonary vein
C. Vena cava
D. Capillaries
Correct Answer: B
Rationale: Pulmonary veins carry oxygenated blood to the heart.
10. The largest artery in the body is the:
A. Carotid
B. Femoral
C. Aorta
D. Pulmonary
Correct Answer: C
Rationale: The aorta distributes blood from the heart to the body.
11. Blood pressure is highest in the:
A. Veins
B. Capillaries
C. Arteries
D. Venules
Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A -
Chamberlain
1. The primary function of hemoglobin is to:
A. Fight infection
B. Clot blood
C. Carry oxygen
D. Produce antibodies
Correct Answer: C
Rationale: Hemoglobin binds oxygen in the lungs and transports it
to tissues.
2. Which blood cell is primarily responsible for immunity?
A. Erythrocytes
B. Platelets
C. Leukocytes
D. Plasma
Correct Answer: C
,Rationale: Leukocytes (white blood cells) defend the body against
pathogens.
3. Platelets are mainly involved in:
A. Oxygen transport
B. Immunity
C. Blood clotting
D. Hormone transport
Correct Answer: C
Rationale: Platelets form plugs to stop bleeding.
4. The liquid portion of blood is called:
A. Serum
B. Plasma
C. Cytosol
D. Lymph
Correct Answer: B
Rationale: Plasma carries nutrients, hormones, and waste products.
5. Which blood type is known as the universal donor?
A. AB
B. A
C. B
D. O
,Correct Answer: D
Rationale: Type O lacks A and B antigens, reducing rejection risk.
6. The heart has how many chambers?
A. 2
B. 3
C. 4
D. 5
Correct Answer: C
Rationale: The heart has two atria and two ventricles.
7. The left ventricle pumps blood to the:
A. Lungs
B. Right atrium
C. Body
D. Liver
Correct Answer: C
Rationale: It pumps oxygenated blood through systemic circulation.
8. The right atrium receives blood from the:
A. Lungs
B. Body
C. Heart
D. Kidneys
, Correct Answer: B
Rationale: Deoxygenated blood enters via the vena cava.
9. Which vessel carries oxygenated blood?
A. Pulmonary artery
B. Pulmonary vein
C. Vena cava
D. Capillaries
Correct Answer: B
Rationale: Pulmonary veins carry oxygenated blood to the heart.
10. The largest artery in the body is the:
A. Carotid
B. Femoral
C. Aorta
D. Pulmonary
Correct Answer: C
Rationale: The aorta distributes blood from the heart to the body.
11. Blood pressure is highest in the:
A. Veins
B. Capillaries
C. Arteries
D. Venules
