Anatomy Chapter 4 - Cardiovascular System Exam 2025/2026 A+

The heart chamber located most anteriorly and forming the anterior border of the
cardiac shadow on a lateral chest radiograph is the:
a. Left atrium
b. Left ventricle
c. Right atrium
d. Right ventricle - ANS-D
The bicuspid valve is also known as the:
a. Left atrioventricular valve
b. Right atrioventricular valve
c. Aortic valve
d. Pulmonary valve - ANS-A
Contraction of the myocardium is termed:
a. Diastole
b. Systole
c. Peristole
d. Myostole - ANS-B
How many posterior ribs should be visible on a good inspiration PA chest radiograph?
a. 12
b. 10
c. 8
d. 6 - ANS-B
In a fetus, the ductus arteriosus connects the:
a. Aorta and the superior vena cava
b. Aorta and pulmonary trunk
c. Right and left atria
d. Right and left ventricles - ANS-B
Which of the following defects are included in tetralogy of Fallot?
a. Pulmonary stenosis
b. Ventricular septal defect
c. Hypertrophy of right ventricle
d. a and c
e. a,b, and c - ANS-E
A condition in which the left ventricle cannot pump an amount of blood equal to the
venous return of the right ventricle is:
a. Coronary artery disease
b. Left-sided congestive heart failure
c. Right-sided congestive heart failure
d. Patent ductus arteriosus - ANS-B