EXAM 2024-2025 WITH ACTUAL QUESTIONS AND
WELL ELABORATED ANSWERS (100% CORRECT
VERIFIED ANSWERS) A NEW UPDATED VERSION
|ASSURED A+ (BRAND NEW!!)
An increase in red blood cell velocity will_____ the Doppler
Shift:
a. increase
b. decrease
c. not change
d. cannot be predicted - 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 - Answer-e. absence of sampling
rate
, The range for ultrasound begins:
a. 20 Hz
b. 20,000 Hz
c. 2 MHz
d. 15 MHz - 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 - 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