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ARDMS SPI EXAM LATEST 2023-2024 REAL EXAM 150 QUESTIONS AND CORRECT ANSWERS|AGRADE

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:
a. comet tail
b. ring down
c. slice thickness artifact
d. multipath Correct Answer: b. ring down
An increase in red blood cell velocity will the Doppler Shift:
a. increase
b. decrease
c. not change
d. cannot be predicted Correct Answer: a. increase
The primary advantage of CW Doppler is:
a. range resolution
b. range discrimination
c. range ambiguity
d. range gating
e. absence of sampling rate Correct Answer: e. absence of sampling rate
The range for ultrasound begins:
a. 20 Hz
b. 20,000 Hz
c. 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:
a. gain
b. receiver gain
c. TGC
d. transmit gain
e. 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:

a. high PRF
b. fast Fourier transform
c. autocorrelation
d. time interval histogram Correct Answer: c. autocorrelation

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