ARDMS SPI EXAM LATEST 2023-2024 REAL
EXAM 150 QUESTIONS AND CORRECT
ANSWERS|AGRADE
Multiple echoes, equally spaced originating from a gas bubble is called:
- comet tail
- ring down
- slice thickness artifact
d. multipath Correct Answer: b. ring down
An increase in red blood cell velocity will the Doppler Shift:
- increase
- decrease
- not change
d. cannot be predicted Correct Answer: a. increase
The primary advantage of CW Doppler is:
- range resolution
- range discrimination
- range ambiguity
- range gating
e. absence of sampling rate Correct Answer: e. absence of sampling rate
The range for ultrasound begins:
- 20 Hz
- 20,000 Hz
- 2 MHz
d. 15 MHz Correct Answer: b. 20,000 Hz (useful frequency range for clinical
imaging is 2MHz-10MHz)
Which instrument control affects the amplitude (dB) of the outgoing signal:
- gain
- receiver gain
- TGC
- transmit gain
- overall gain Correct Answer: d. transmit gain; amplitude can be affected by the
sonographer
Which of the following is used to convert Doppler shift information into color: 1 / 2
- high PRF
- fast Fourier transform
- autocorrelation
- time interval histogram Correct Answer: c. autocorrelation
- / 2