BIOS 252 Week 1 Quiz Exam final (Latest
Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A -
Chamberlain
1. Which system transports oxygen and nutrients in the body?
A. Respiratory
B. Digestive
C. Circulatory
D. Nervous
Correct answer: C
Rationale: The circulatory system moves blood carrying oxygen and
nutrients.
2. The main organ of the circulatory system is the:
A. Lung
B. Heart
C. Kidney
D. Liver
Correct answer: B
,Rationale: The heart pumps blood throughout the body.
3. Blood vessels that carry blood away from the heart are called:
A. Veins
B. Capillaries
C. Arteries
D. Venules
Correct answer: C
Rationale: Arteries transport blood away from the heart.
4. Blood vessels that return blood to the heart are:
A. Arteries
B. Veins
C. Capillaries
D. Aorta
Correct answer: B
Rationale: Veins carry blood back to the heart.
5. Exchange of gases occurs in:
A. Arteries
B. Veins
C. Capillaries
D. Heart
Correct answer: C
,Rationale: Capillaries allow diffusion of gases and nutrients.
6. The largest artery in the body is the:
A. Pulmonary artery
B. Carotid artery
C. Aorta
D. Femoral artery
Correct answer: C
Rationale: The aorta distributes oxygenated blood.
7. Which chamber pumps blood to the lungs?
A. Left atrium
B. Right atrium
C. Right ventricle
D. Left ventricle
Correct answer: C
Rationale: Right ventricle sends blood to lungs via pulmonary
artery.
8. Which chamber receives oxygenated blood?
A. Right atrium
B. Right ventricle
C. Left atrium
, D. Left ventricle
Correct answer: C
Rationale: Left atrium receives blood from lungs.
9. The thickest heart wall is in the:
A. Right atrium
B. Left atrium
C. Right ventricle
D. Left ventricle
Correct answer: D
Rationale: Left ventricle pumps to entire body.
10. The valve between left atrium and ventricle is:
A. Tricuspid
B. Mitral
C. Pulmonary
D. Aortic
Correct answer: B
Rationale: Mitral valve controls flow on left side.
11. The tricuspid valve is found between:
A. Left chambers
B. Right chambers
C. Aorta and ventricle
Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A -
Chamberlain
1. Which system transports oxygen and nutrients in the body?
A. Respiratory
B. Digestive
C. Circulatory
D. Nervous
Correct answer: C
Rationale: The circulatory system moves blood carrying oxygen and
nutrients.
2. The main organ of the circulatory system is the:
A. Lung
B. Heart
C. Kidney
D. Liver
Correct answer: B
,Rationale: The heart pumps blood throughout the body.
3. Blood vessels that carry blood away from the heart are called:
A. Veins
B. Capillaries
C. Arteries
D. Venules
Correct answer: C
Rationale: Arteries transport blood away from the heart.
4. Blood vessels that return blood to the heart are:
A. Arteries
B. Veins
C. Capillaries
D. Aorta
Correct answer: B
Rationale: Veins carry blood back to the heart.
5. Exchange of gases occurs in:
A. Arteries
B. Veins
C. Capillaries
D. Heart
Correct answer: C
,Rationale: Capillaries allow diffusion of gases and nutrients.
6. The largest artery in the body is the:
A. Pulmonary artery
B. Carotid artery
C. Aorta
D. Femoral artery
Correct answer: C
Rationale: The aorta distributes oxygenated blood.
7. Which chamber pumps blood to the lungs?
A. Left atrium
B. Right atrium
C. Right ventricle
D. Left ventricle
Correct answer: C
Rationale: Right ventricle sends blood to lungs via pulmonary
artery.
8. Which chamber receives oxygenated blood?
A. Right atrium
B. Right ventricle
C. Left atrium
, D. Left ventricle
Correct answer: C
Rationale: Left atrium receives blood from lungs.
9. The thickest heart wall is in the:
A. Right atrium
B. Left atrium
C. Right ventricle
D. Left ventricle
Correct answer: D
Rationale: Left ventricle pumps to entire body.
10. The valve between left atrium and ventricle is:
A. Tricuspid
B. Mitral
C. Pulmonary
D. Aortic
Correct answer: B
Rationale: Mitral valve controls flow on left side.
11. The tricuspid valve is found between:
A. Left chambers
B. Right chambers
C. Aorta and ventricle
