ARDMS SPI Exam Questions and verified answers latest update 2025
Terms in this set (60)
Which gain will increase the risk a. transmit
of bioeffects?
a. transmit
b. receive
c. gain
d. overall gain
Which of the following is e. digital scan converter
considered the memory of an
ultrasound instrument?
a. pulser
b. transducer
c. receiver
d. beam former
e. digital scan converter
f. display monitor
Spectral broadening suggest: b. turbulent flow
a. laminar flow
b. turbulent flow
c. flow away from the transducer
d. flow towards the transducer
With pulse wave Doppler axial degrades
resolution:
What color is usually use in color green
flow
Doppler variance map to indicate
turbulent flow?
Doppler high pass filter high amplitude signals; low velocity flow
eliminates:
The Doppler wall filter is high pass filter
considered a:
, The Nyquist Limit is equal to: c. PRF/2
a. propagation speed x frequency
b. propagation speed/ wavelength
c. PRF/2
d. 4xV^2
Multiple echoes, equally spaced b. ring down
originating from a gas bubble is
called:
a. comet tail
b. ring down
c. slice thickness artifact
d. multipath
An increase in red blood cell a. increase
velocity will the Doppler
Shift:
a. increase
b. decrease
c. not change
d. cannot be predicted
The primary advantage of CW e. absence of sampling rate
Doppler is:
a. range resolution
b. range discrimination
c. range ambiguity
d. range gating
e. absence of sampling rate
The range for ultrasound begins: b. 20,000 Hz (useful frequency range for clinical imaging is 2MHz-10MHz)
a. 20 Hz
b. 20,000 Hz
c. 2 MHz
d. 15 MHz
Which instrument control d. transmit gain; amplitude can be affected by the sonographer
affects the amplitude (dB) of the
outgoing signal:
a. gain
b. receiver gain
c. TGC
d. transmit gain
e. overall gain
Terms in this set (60)
Which gain will increase the risk a. transmit
of bioeffects?
a. transmit
b. receive
c. gain
d. overall gain
Which of the following is e. digital scan converter
considered the memory of an
ultrasound instrument?
a. pulser
b. transducer
c. receiver
d. beam former
e. digital scan converter
f. display monitor
Spectral broadening suggest: b. turbulent flow
a. laminar flow
b. turbulent flow
c. flow away from the transducer
d. flow towards the transducer
With pulse wave Doppler axial degrades
resolution:
What color is usually use in color green
flow
Doppler variance map to indicate
turbulent flow?
Doppler high pass filter high amplitude signals; low velocity flow
eliminates:
The Doppler wall filter is high pass filter
considered a:
, The Nyquist Limit is equal to: c. PRF/2
a. propagation speed x frequency
b. propagation speed/ wavelength
c. PRF/2
d. 4xV^2
Multiple echoes, equally spaced b. ring down
originating from a gas bubble is
called:
a. comet tail
b. ring down
c. slice thickness artifact
d. multipath
An increase in red blood cell a. increase
velocity will the Doppler
Shift:
a. increase
b. decrease
c. not change
d. cannot be predicted
The primary advantage of CW e. absence of sampling rate
Doppler is:
a. range resolution
b. range discrimination
c. range ambiguity
d. range gating
e. absence of sampling rate
The range for ultrasound begins: b. 20,000 Hz (useful frequency range for clinical imaging is 2MHz-10MHz)
a. 20 Hz
b. 20,000 Hz
c. 2 MHz
d. 15 MHz
Which instrument control d. transmit gain; amplitude can be affected by the sonographer
affects the amplitude (dB) of the
outgoing signal:
a. gain
b. receiver gain
c. TGC
d. transmit gain
e. overall gain
