BIOL 252 Module 9 Exam: Cardiovascular System
(Human Anatomy & Physiology II – Portage Learning)
Total Questions: 75
PART I: Multiple Choice (1–45)
**1. The heart is located in the:**
A. Pleural cavity
B. Mediastinum
C. Peritoneal cavity
D. Thoracic inlet
**2. The layer of the heart wall responsible for contraction is the:**
A. Endocardium
B. Epicardium
C. Myocardium
D. Pericardium
**3. The visceral layer of the serous pericardium is also called the:**
A. Fibrous pericardium
B. Epicardium
C. Myocardium
,D. Endocardium
**4. Blood enters the right atrium from the:**
A. Pulmonary veins
B. Aorta
C. Superior and inferior vena cava
D. Pulmonary trunk
**5. The valve between the right atrium and right ventricle is the:**
A. Mitral valve
B. Aortic valve
C. Tricuspid valve
D. Pulmonary valve
**6. The valve between the left atrium and left ventricle is the:**
A. Tricuspid valve
B. Mitral valve
C. Pulmonary valve
D. Aortic valve
**7. The thickest chamber of the heart is the:**
A. Right atrium
B. Left atrium
C. Right ventricle
D. Left ventricle
**8. The pulmonary arteries carry:**
, A. Oxygenated blood to lungs
B. Deoxygenated blood to lungs
C. Oxygenated blood to body
D. Deoxygenated blood to body
**9. Oxygenated blood returns from the lungs through the:**
A. Pulmonary arteries
B. Vena cava
C. Pulmonary veins
D. Coronary sinus
**10. The first heart sound (lub) is caused by closure of the:**
A. Semilunar valves
B. AV valves
C. Aortic valve only
D. Pulmonary valve only
**11. The pacemaker of the heart is the:**
A. AV node
B. Bundle of His
C. SA node
D. Purkinje fibers
**12. The AV node delays the impulse to allow:**
A. Ventricular contraction first
B. Atrial contraction to complete
C. Faster heart rate
(Human Anatomy & Physiology II – Portage Learning)
Total Questions: 75
PART I: Multiple Choice (1–45)
**1. The heart is located in the:**
A. Pleural cavity
B. Mediastinum
C. Peritoneal cavity
D. Thoracic inlet
**2. The layer of the heart wall responsible for contraction is the:**
A. Endocardium
B. Epicardium
C. Myocardium
D. Pericardium
**3. The visceral layer of the serous pericardium is also called the:**
A. Fibrous pericardium
B. Epicardium
C. Myocardium
,D. Endocardium
**4. Blood enters the right atrium from the:**
A. Pulmonary veins
B. Aorta
C. Superior and inferior vena cava
D. Pulmonary trunk
**5. The valve between the right atrium and right ventricle is the:**
A. Mitral valve
B. Aortic valve
C. Tricuspid valve
D. Pulmonary valve
**6. The valve between the left atrium and left ventricle is the:**
A. Tricuspid valve
B. Mitral valve
C. Pulmonary valve
D. Aortic valve
**7. The thickest chamber of the heart is the:**
A. Right atrium
B. Left atrium
C. Right ventricle
D. Left ventricle
**8. The pulmonary arteries carry:**
, A. Oxygenated blood to lungs
B. Deoxygenated blood to lungs
C. Oxygenated blood to body
D. Deoxygenated blood to body
**9. Oxygenated blood returns from the lungs through the:**
A. Pulmonary arteries
B. Vena cava
C. Pulmonary veins
D. Coronary sinus
**10. The first heart sound (lub) is caused by closure of the:**
A. Semilunar valves
B. AV valves
C. Aortic valve only
D. Pulmonary valve only
**11. The pacemaker of the heart is the:**
A. AV node
B. Bundle of His
C. SA node
D. Purkinje fibers
**12. The AV node delays the impulse to allow:**
A. Ventricular contraction first
B. Atrial contraction to complete
C. Faster heart rate
