RADR 2217 Comprehensive Radiographic
Pathology Chapter 07 Exam Practice 2026 Guide
1. 1. The heart rate is controlled by the: A
a. Autonomic nervous system
b. Sympathetic nervous system
c. AV node
d. Purkinje fibers
REF: p. 248
2. 2. The heart is lined with a smooth, delicate membrane D
called the:
a. Myocardium
b. Pericardium
c. Epicardium
d. Endocardium
REF: p. 248
3. 3. The separates the right and left sides of the C
heart.
a. Papillary muscle
b. Myocardium
c. Septum
d. Endocardium
REF: p. 248
4. 4. Which hormone increases heart rate and increases B
the force of its contractions?
a. Acetylcholine
, RADR 2217 Comprehensive Radiographic
Pathology Chapter 07 Exam Practice 2026 Guide
b. Epinephrine
c. Norepinephrine
d. Cortisone
REF: p. 248
5. 5. The left atrioventricular (AV) valve is also called the: B
a. Tricuspid valve
b. Mitral valve
c. Quadcuspid valve
d. Chordae tendineae
REF: p. 249
6. 6. The tricuspid valve is located: D
a. Between the left ventricle and aorta
b. Between the left atrium and ventricle
c. Between the right ventricle and the pulmonary
artery
d. Between the right atrium and ventricle
REF: p. 249
7. 7. Deoxygenated venous blood returns to the heart via C
the:
a. Right and left coronary arteries
b. Pulmonary veins
c. Superior and inferior vena cava
d. Pulmonary arteries
REF: p. 250
, RADR 2217 Comprehensive Radiographic
Pathology Chapter 07 Exam Practice 2026 Guide
8. 8. The superior and inferior vena cava empty into the: A
a. Right atrium
b. Left atrium
c. Right ventricle
d. Left ventricle
REF: p. 250
9. 9. The right ventricle pumps blood into the: D
a. Pulmonary veins
b. Aorta
c. Superior and inferior vena cava
d. Pulmonary artery
REF: p. 250
10. 10. The pulmonary veins empty into the: C
a. Right atrium
b. Right ventricle
c. Left atrium
d. Left ventricle
REF: p. 250
11. 11. Deoxygenated blood is carried from the heart to B
the lungs via the:
a. Pulmonary veins
b. Pulmonary arteries
c. Aorta
Pathology Chapter 07 Exam Practice 2026 Guide
1. 1. The heart rate is controlled by the: A
a. Autonomic nervous system
b. Sympathetic nervous system
c. AV node
d. Purkinje fibers
REF: p. 248
2. 2. The heart is lined with a smooth, delicate membrane D
called the:
a. Myocardium
b. Pericardium
c. Epicardium
d. Endocardium
REF: p. 248
3. 3. The separates the right and left sides of the C
heart.
a. Papillary muscle
b. Myocardium
c. Septum
d. Endocardium
REF: p. 248
4. 4. Which hormone increases heart rate and increases B
the force of its contractions?
a. Acetylcholine
, RADR 2217 Comprehensive Radiographic
Pathology Chapter 07 Exam Practice 2026 Guide
b. Epinephrine
c. Norepinephrine
d. Cortisone
REF: p. 248
5. 5. The left atrioventricular (AV) valve is also called the: B
a. Tricuspid valve
b. Mitral valve
c. Quadcuspid valve
d. Chordae tendineae
REF: p. 249
6. 6. The tricuspid valve is located: D
a. Between the left ventricle and aorta
b. Between the left atrium and ventricle
c. Between the right ventricle and the pulmonary
artery
d. Between the right atrium and ventricle
REF: p. 249
7. 7. Deoxygenated venous blood returns to the heart via C
the:
a. Right and left coronary arteries
b. Pulmonary veins
c. Superior and inferior vena cava
d. Pulmonary arteries
REF: p. 250
, RADR 2217 Comprehensive Radiographic
Pathology Chapter 07 Exam Practice 2026 Guide
8. 8. The superior and inferior vena cava empty into the: A
a. Right atrium
b. Left atrium
c. Right ventricle
d. Left ventricle
REF: p. 250
9. 9. The right ventricle pumps blood into the: D
a. Pulmonary veins
b. Aorta
c. Superior and inferior vena cava
d. Pulmonary artery
REF: p. 250
10. 10. The pulmonary veins empty into the: C
a. Right atrium
b. Right ventricle
c. Left atrium
d. Left ventricle
REF: p. 250
11. 11. Deoxygenated blood is carried from the heart to B
the lungs via the:
a. Pulmonary veins
b. Pulmonary arteries
c. Aorta
