Ultrasound Board Review - ARDMS
Ultrasound Physics Registry Review
Questions and Answers (Latest Update
2025)
The Focal Zone is the region around the focus where the
beam is:
A) the narrowest
B) relatively narrow
C) 1/2 the beam diameter of the transducer
D) 1/4 the beam diameter of the transducer - Correct
Answer ✅B) relatively narrow
According to the Doppler equation, for any given velocity, the
frequency shift will increase by increasing the:
A) Doppler angle
B) transmit frequency
C) pulse length
D) pulse repetition frequency - Correct Answer ✅D)
transmit frequency
Which of the following helps improve the axial resolution in a
B-mode image?
A) increase the aperture
B) increase the bandwidth
C) use focusing with an acoustic lens
D) increase dynamic range - Correct Answer ✅B) increase
the bandwidth
Which of the following is the most appropriate response when
a patient refuses an exam?
A) immediately stop the exam and leave
B) convince the patient that the doctor really wants the exam
and proceed
C) ignore the patient's request and continue as planned
D) place restraints and/or sedation and proceed with the
examination - Correct Answer ✅A) immediately stop the
exam and leave
The velocity scale on the color map is 17 cm/s. If the flow
direction is at zero degrees to the sound beam axis, the
colors on either end of the bar would represent:
A) a peak velocity of 17 cm/s
B) an average velocity of 17 cm/s
C) a peak velocity above 17 cm/s
D) a peak velocity below 17 cm/s - Correct Answer ✅B) an
average velocity of 17 cm/s
You are performing 3D sonography and notice the volume
rate is 8 Hz. What does this represent?
A) Number of transmitted sound pulses per second
, Ultrasound Board Review - ARDMS
Ultrasound Physics Registry Review
Questions and Answers (Latest Update
2025)
B) Number of received pulses per minute
C) Number of volumes displayed per second
D) Number of frames per second - Correct Answer ✅C)
Number of volumes displayed per second
How many frames must be presented for the human eye to
perceive the display without flickering?
A) 10
B) 30
C) 100
D) 200 - Correct Answer ✅B) 30
When an ultrasound system creates an image in 1/20 of
second, what will be the frame rate?
A) 0.20 Hz
B) 20 Hz
C) 0.20 MHz
D) 20 MHz - Correct Answer ✅B) 20 Hz
Which of the following describes a narrow dynamic range?
A) Low contrast
B) Low compression
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