First-year Pre-test
Pre-test on echocardiography for first-year cardiology fellows
- 1.
If the Nyquist limit is set too high, what effect will that have on the severity of valvular regurgitation, as judged by visual assessment of Doppler flow across that valve?
- A.
Overestimate (regurgitation will look more severe than it actually is)
- B.
Underestimate (regurgitation will look less severe than it actually is)
- C.
What in the world is the Nyquist limit?
- D.
Visual assessment of regurgitant lesions is not quantitative, so this question is irrelevant
Correct Answer
B. Underestimate (regurgitation will look less severe than it actually is) -
- 2.
The higher the frequency of the ultrasound beam...
- A.
...the shorter the wavelength
- B.
...the greater the penetration into the medium
- C.
...the better the radial resolution
- D.
...the easier to hear
Correct Answer
A. ...the shorter the wavelength -
- 3.
What is the frequency of ultrasound?
- A.
Less than 20 Hz
- B.
Between 20 Hz and 20,000 Hz
- C.
Greater than 20,000 Hz
- D.
In a range that can only be heard by dogs
Correct Answer
C. Greater than 20,000 Hz -
- 4.
All of the following are true regarding the speed of sound through a medium except:
- A.
The speed that sound travels is determined by the medium
- B.
The average speed of sound in soft tissue (cardiac ultrasound) is 1.54 mm/microsecond
- C.
The speed of sound is determined by the medium's density
- D.
Sound moves faster through air than through soft tissue
Correct Answer
D. Sound moves faster through air than through soft tissue -
- 5.
Which factor improves temporal resolution (increases frame rate):
- A.
Decreasing the sector width
- B.
Increasing the imaging depth
Correct Answer
A. Decreasing the sector width -
- 6.
What cusp is identified by the arrow?
- A.
Noncoronary cusp of the aortic valve
- B.
Left coronary cusp of the aortic valve
- C.
Right coronary cusp of the aortic valve
- D.
Anterior leaflet of the mitral valve
Correct Answer
C. Right coronary cusp of the aortic valve -
- 7.
When using the continuity equation, the measurement most likely to result in an inaccurate assessment of stenosis severity is:
- A.
The VTI of the LV outflow tract
- B.
The diameter of the LV outflow tract
- C.
The VTI through the aortic valve
- D.
The degree of valve calcification
Correct Answer
B. The diameter of the LV outflow tract -
- 8.
The entire inferior wall is seen in which standard view?
- A.
Apical four chamber view
- B.
Apical two chamber view
- C.
Apical long axis view
- D.
Short axis view at the papillary muscle level
Correct Answer
B. Apical two chamber view -
- 9.
Identify the vascular structure seen:
- A.
Inferior Vena Cava
- B.
Superior Vena Cava
- C.
Aortic Arch
- D.
Abdominal Aorta
Correct Answer
D. Abdominal Aorta -
- 10.
Which of the following is the most accurate description of this movie?
- A.
Normal aortic valve
- B.
Normal mitral valve
- C.
Rheumatic mitral stenosis
- D.
Bicuspid aortic valve
Correct Answer
A. Normal aortic valve -
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Current Version
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Jan 10, 2013Quiz Edited by
ProProfs Editorial Team -
Feb 11, 2010Quiz Created by
Thisisatest
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