BIOL 252 Human Anatomy & Physiology II
w/Lab | Module 3 Exam Review Questions
and Answers -Summary | LockDown Browser
| Portage Learning 2026/2027
1. The heart is located in which cavity?
A. Thoracic cavity
B. Abdominal cavity
C. Pelvic cavity
D. Cranial cavity
Correct Answer: A
Rationale: The heart is located in the thoracic cavity, specifically in the mediastinum.
2. The pericardium is:
A. The outer layer of the heart
B. The inner layer of the heart
C. The sac surrounding the heart
D. The muscle layer of the heart
Correct Answer: C
Rationale: The pericardium is the sac that surrounds and protects the heart.
3. The epicardium is:
A. The outer layer of the heart wall
B. The middle layer of the heart wall
C. The inner layer of the heart wall
D. The membrane lining the heart
Correct Answer: A
Rationale: The epicardium is the outer layer of the heart wall (visceral pericardium).
4. The myocardium is:
,A. The outer layer of the heart wall
B. The middle layer of the heart wall
C. The inner layer of the heart wall
D. The membrane lining the heart
Correct Answer: B
Rationale: The myocardium is the middle, muscular layer of the heart wall.
5. The endocardium is:
A. The outer layer of the heart wall
B. The middle layer of the heart wall
C. The inner layer of the heart wall
D. The sac surrounding the heart
Correct Answer: C
Rationale: The endocardium is the inner layer of the heart wall, lining the chambers.
6. The heart is divided into how many chambers?
A. 2
B. 3
C. 4
D. 5
Correct Answer: C
Rationale: The heart has four chambers: two atria and two ventricles.
7. Which chamber receives oxygenated blood from the lungs?
A. Right atrium
B. Left atrium
C. Right ventricle
D. Left ventricle
Correct Answer: B
Rationale: The left atrium receives oxygenated blood from the lungs via the pulmonary
veins.
8. Which chamber pumps oxygenated blood to the body?
,A. Right atrium
B. Left atrium
C. Right ventricle
D. Left ventricle
Correct Answer: D
Rationale: The left ventricle pumps oxygenated blood to the body through the aorta.
9. The tricuspid valve is located between the:
A. Right atrium and right ventricle
B. Left atrium and left ventricle
C. Right ventricle and pulmonary artery
D. Left ventricle and aorta
Correct Answer: A
Rationale: The tricuspid valve is located between the right atrium and right ventricle.
10. The mitral (bicuspid) valve is located between the:
A. Right atrium and right ventricle
B. Left atrium and left ventricle
C. Right ventricle and pulmonary artery
D. Left ventricle and aorta
Correct Answer: B
Rationale: The mitral valve is located between the left atrium and left ventricle.
11. The pulmonary valve is located between the:
A. Right atrium and right ventricle
B. Left atrium and left ventricle
C. Right ventricle and pulmonary artery
D. Left ventricle and aorta
Correct Answer: C
Rationale: The pulmonary valve is located between the right ventricle and pulmonary
artery.
12. The aortic valve is located between the:
, A. Right atrium and right ventricle
B. Left atrium and left ventricle
C. Right ventricle and pulmonary artery
D. Left ventricle and aorta
Correct Answer: D
Rationale: The aortic valve is located between the left ventricle and the aorta.
13. Which of the following is a semilunar valve?
A. Tricuspid valve
B. Mitral valve
C. Pulmonary valve
D. Bicuspid valve
Correct Answer: C
Rationale: The pulmonary valve and aortic valve are semilunar valves. The tricuspid and
mitral valves are atrioventricular valves.
14. Which of the following is an atrioventricular valve?
A. Pulmonary valve
B. Aortic valve
C. Tricuspid valve
D. Semilunar valve
Correct Answer: C
Rationale: The tricuspid and mitral valves are atrioventricular valves.
15. The chordae tendineae are attached to the:
A. Atrioventricular valves
B. Semilunar valves
C. Papillary muscles
D. Both A and C
Correct Answer: D
Rationale: The chordae tendineae attach the atrioventricular valves to the papillary
muscles.
16. The papillary muscles are located in the:
w/Lab | Module 3 Exam Review Questions
and Answers -Summary | LockDown Browser
| Portage Learning 2026/2027
1. The heart is located in which cavity?
A. Thoracic cavity
B. Abdominal cavity
C. Pelvic cavity
D. Cranial cavity
Correct Answer: A
Rationale: The heart is located in the thoracic cavity, specifically in the mediastinum.
2. The pericardium is:
A. The outer layer of the heart
B. The inner layer of the heart
C. The sac surrounding the heart
D. The muscle layer of the heart
Correct Answer: C
Rationale: The pericardium is the sac that surrounds and protects the heart.
3. The epicardium is:
A. The outer layer of the heart wall
B. The middle layer of the heart wall
C. The inner layer of the heart wall
D. The membrane lining the heart
Correct Answer: A
Rationale: The epicardium is the outer layer of the heart wall (visceral pericardium).
4. The myocardium is:
,A. The outer layer of the heart wall
B. The middle layer of the heart wall
C. The inner layer of the heart wall
D. The membrane lining the heart
Correct Answer: B
Rationale: The myocardium is the middle, muscular layer of the heart wall.
5. The endocardium is:
A. The outer layer of the heart wall
B. The middle layer of the heart wall
C. The inner layer of the heart wall
D. The sac surrounding the heart
Correct Answer: C
Rationale: The endocardium is the inner layer of the heart wall, lining the chambers.
6. The heart is divided into how many chambers?
A. 2
B. 3
C. 4
D. 5
Correct Answer: C
Rationale: The heart has four chambers: two atria and two ventricles.
7. Which chamber receives oxygenated blood from the lungs?
A. Right atrium
B. Left atrium
C. Right ventricle
D. Left ventricle
Correct Answer: B
Rationale: The left atrium receives oxygenated blood from the lungs via the pulmonary
veins.
8. Which chamber pumps oxygenated blood to the body?
,A. Right atrium
B. Left atrium
C. Right ventricle
D. Left ventricle
Correct Answer: D
Rationale: The left ventricle pumps oxygenated blood to the body through the aorta.
9. The tricuspid valve is located between the:
A. Right atrium and right ventricle
B. Left atrium and left ventricle
C. Right ventricle and pulmonary artery
D. Left ventricle and aorta
Correct Answer: A
Rationale: The tricuspid valve is located between the right atrium and right ventricle.
10. The mitral (bicuspid) valve is located between the:
A. Right atrium and right ventricle
B. Left atrium and left ventricle
C. Right ventricle and pulmonary artery
D. Left ventricle and aorta
Correct Answer: B
Rationale: The mitral valve is located between the left atrium and left ventricle.
11. The pulmonary valve is located between the:
A. Right atrium and right ventricle
B. Left atrium and left ventricle
C. Right ventricle and pulmonary artery
D. Left ventricle and aorta
Correct Answer: C
Rationale: The pulmonary valve is located between the right ventricle and pulmonary
artery.
12. The aortic valve is located between the:
, A. Right atrium and right ventricle
B. Left atrium and left ventricle
C. Right ventricle and pulmonary artery
D. Left ventricle and aorta
Correct Answer: D
Rationale: The aortic valve is located between the left ventricle and the aorta.
13. Which of the following is a semilunar valve?
A. Tricuspid valve
B. Mitral valve
C. Pulmonary valve
D. Bicuspid valve
Correct Answer: C
Rationale: The pulmonary valve and aortic valve are semilunar valves. The tricuspid and
mitral valves are atrioventricular valves.
14. Which of the following is an atrioventricular valve?
A. Pulmonary valve
B. Aortic valve
C. Tricuspid valve
D. Semilunar valve
Correct Answer: C
Rationale: The tricuspid and mitral valves are atrioventricular valves.
15. The chordae tendineae are attached to the:
A. Atrioventricular valves
B. Semilunar valves
C. Papillary muscles
D. Both A and C
Correct Answer: D
Rationale: The chordae tendineae attach the atrioventricular valves to the papillary
muscles.
16. The papillary muscles are located in the:
