ARDMS SPI Exam study questions and correct answers GRADED A+

ARDMS SPI EXAM STUDY
QUESTIONS AND
CORRECT ANSWERS
GRADED A+ 2025-2026
Which gain will increase the risk of bioeffects?
a. transmit
b. receive
c. gain
d. overall gain - ANS-a. transmit


Which of the following is considered the memory of an ultrasound instrument?
a. pulser
b. transducer

c. receiver
d. beam former
e. digital scan converter
f. display monitor - ANS-e. digital scan converter


Spectral broadening suggest:
a. laminar flow
b. turbulent flow
c. flow away from the transducer
d. flow towards the transducer - ANS-b. turbulent flow

, With pulse wave Doppler axial resolution: - ANS-degrades


What color is usually use in color flow Doppler variance map to indicate turbulent
flow? - ANS-green


Doppler high pass filter eliminates: - ANS-high amplitude signals; low velocity flow


The Doppler wall filter is considered a: - ANS-high pass filter


The Nyquist Limit is equal to:
a. propagation speed x frequency
b. propagation speed/ wavelength
c. PRF/2

d. 4xV^2 - ANS-c. PRF/2


Multiple echoes, equally spaced originating from a gas bubble is called:
a. comet tail
b. ring down
c. slice thickness artifact
d. multipath - ANS-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 - ANS-a. increase


The primary advantage of CW Doppler is:
a. range resolution
b. range discrimination