CCI RCS #1| 100 QUESTIONS|
WITH COMPLETE SOLUTIONS
Course
CCI
1. Which echocardiographic view best evaluates the left ventricular outflow tract (LVOT) and
aortic valve simultaneously?
A. Parasternal Short-Axis (PSAX)
B. Parasternal Long-Axis (PLAX)
C. Apical Two-Chamber
D. Subcostal Four-Chamber
Answer: B. Parasternal Long-Axis (PLAX)
Solution:
The PLAX view provides excellent visualization of the left ventricle, left atrium, mitral valve,
LVOT, and aortic valve. It is routinely used to evaluate aortic valve morphology and LVOT
dimensions.
2. Which ultrasound artifact causes structures to appear duplicated across a strong reflector?
A. Reverberation
B. Mirror image
C. Refraction
D. Side lobe
Answer: B. Mirror image
Solution:
Mirror image artifact occurs when sound reflects from a strong interface (such as the
diaphragm), producing a duplicated image on the opposite side of the reflector.
3. Which valve normally has three cusps?
A. Mitral valve
,B. Tricuspid valve
C. Aortic valve
D. Pulmonary valve
Answer: C. Aortic valve
Solution:
The normal aortic valve consists of three cusps:
Right coronary cusp
Left coronary cusp
Non-coronary cusp
4. Which chamber has the thickest myocardial wall?
A. Right atrium
B. Left atrium
C. Right ventricle
D. Left ventricle
Answer: D. Left ventricle
Solution:
The left ventricle has the thickest myocardium because it pumps blood throughout the systemic
circulation.
5. Which Doppler technique provides the highest velocity measurements?
A. Color Doppler
B. Continuous-Wave Doppler
C. M-mode
D. Tissue Doppler
Answer: B. Continuous-Wave Doppler
,Solution:
Continuous-wave Doppler measures very high blood flow velocities without aliasing, making it
ideal for evaluating valvular stenosis and regurgitation.
6. Which echocardiographic view best demonstrates the mitral valve in cross-section?
A. Parasternal Short-Axis at Mitral Valve Level
B. Apical Four-Chamber
C. Subcostal View
D. Suprasternal Notch
Answer: A. Parasternal Short-Axis at Mitral Valve Level
Solution:
The PSAX mitral valve view displays the characteristic "fish-mouth" appearance of the mitral
valve leaflets.
7. Which structure separates the right and left atria?
A. Interventricular septum
B. Interatrial septum
C. Moderator band
D. Chordae tendineae
Answer: B. Interatrial septum
Solution:
The interatrial septum divides the right and left atria and contains the fossa ovalis.
8. Which chamber normally receives oxygenated blood from the pulmonary veins?
A. Right atrium
B. Right ventricle
C. Left atrium
D. Left ventricle
, Answer: C. Left atrium
Solution:
Four pulmonary veins carry oxygen-rich blood from the lungs into the left atrium.
9. Which valve prevents backflow into the left atrium during ventricular systole?
A. Tricuspid valve
B. Pulmonary valve
C. Mitral valve
D. Aortic valve
Answer: C. Mitral valve
Solution:
The mitral valve closes during systole to prevent regurgitation from the left ventricle into the left
atrium.
10. Which structure anchors the mitral valve leaflets?
A. Papillary muscles and chordae tendineae
B. Moderator band
C. Coronary sinus
D. Crista terminalis
Answer: A. Papillary muscles and chordae tendineae
Solution:
Papillary muscles contract during systole to maintain tension on the chordae tendineae and
prevent mitral valve prolapse.
11. What is the normal left ventricular ejection fraction (LVEF) in most adults?
A. 20–35%
B. 35–45%
C. 55–70%
WITH COMPLETE SOLUTIONS
Course
CCI
1. Which echocardiographic view best evaluates the left ventricular outflow tract (LVOT) and
aortic valve simultaneously?
A. Parasternal Short-Axis (PSAX)
B. Parasternal Long-Axis (PLAX)
C. Apical Two-Chamber
D. Subcostal Four-Chamber
Answer: B. Parasternal Long-Axis (PLAX)
Solution:
The PLAX view provides excellent visualization of the left ventricle, left atrium, mitral valve,
LVOT, and aortic valve. It is routinely used to evaluate aortic valve morphology and LVOT
dimensions.
2. Which ultrasound artifact causes structures to appear duplicated across a strong reflector?
A. Reverberation
B. Mirror image
C. Refraction
D. Side lobe
Answer: B. Mirror image
Solution:
Mirror image artifact occurs when sound reflects from a strong interface (such as the
diaphragm), producing a duplicated image on the opposite side of the reflector.
3. Which valve normally has three cusps?
A. Mitral valve
,B. Tricuspid valve
C. Aortic valve
D. Pulmonary valve
Answer: C. Aortic valve
Solution:
The normal aortic valve consists of three cusps:
Right coronary cusp
Left coronary cusp
Non-coronary cusp
4. Which chamber has the thickest myocardial wall?
A. Right atrium
B. Left atrium
C. Right ventricle
D. Left ventricle
Answer: D. Left ventricle
Solution:
The left ventricle has the thickest myocardium because it pumps blood throughout the systemic
circulation.
5. Which Doppler technique provides the highest velocity measurements?
A. Color Doppler
B. Continuous-Wave Doppler
C. M-mode
D. Tissue Doppler
Answer: B. Continuous-Wave Doppler
,Solution:
Continuous-wave Doppler measures very high blood flow velocities without aliasing, making it
ideal for evaluating valvular stenosis and regurgitation.
6. Which echocardiographic view best demonstrates the mitral valve in cross-section?
A. Parasternal Short-Axis at Mitral Valve Level
B. Apical Four-Chamber
C. Subcostal View
D. Suprasternal Notch
Answer: A. Parasternal Short-Axis at Mitral Valve Level
Solution:
The PSAX mitral valve view displays the characteristic "fish-mouth" appearance of the mitral
valve leaflets.
7. Which structure separates the right and left atria?
A. Interventricular septum
B. Interatrial septum
C. Moderator band
D. Chordae tendineae
Answer: B. Interatrial septum
Solution:
The interatrial septum divides the right and left atria and contains the fossa ovalis.
8. Which chamber normally receives oxygenated blood from the pulmonary veins?
A. Right atrium
B. Right ventricle
C. Left atrium
D. Left ventricle
, Answer: C. Left atrium
Solution:
Four pulmonary veins carry oxygen-rich blood from the lungs into the left atrium.
9. Which valve prevents backflow into the left atrium during ventricular systole?
A. Tricuspid valve
B. Pulmonary valve
C. Mitral valve
D. Aortic valve
Answer: C. Mitral valve
Solution:
The mitral valve closes during systole to prevent regurgitation from the left ventricle into the left
atrium.
10. Which structure anchors the mitral valve leaflets?
A. Papillary muscles and chordae tendineae
B. Moderator band
C. Coronary sinus
D. Crista terminalis
Answer: A. Papillary muscles and chordae tendineae
Solution:
Papillary muscles contract during systole to maintain tension on the chordae tendineae and
prevent mitral valve prolapse.
11. What is the normal left ventricular ejection fraction (LVEF) in most adults?
A. 20–35%
B. 35–45%
C. 55–70%
