ARDMS SPI Exam Multiple Choice Questions with
CORRECT Answers
Question:
Which gain will increase the risk of bioeffects? a. transmit b. receive
c. gain
d. overall gain
Answer:
a. transmit
Question:
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
Answer:
e. digital scan converter
Question:
Spectral broadening suggest: a. laminar flow b. turbulent flow
c. flow away from the transducer
d. flow towards the transducer
Answer:
b. turbulent flow
Question:
With pulse wave Doppler axial resolution:
Answer:
degrades
Question:
What color is usually use in color flow Doppler variance map to indicate turbulent flow?
Answer:
green
, Question:
The Doppler wall filter is considered a:
Answer:
high pass filter
Question:
The Nyquist Limit is equal to: a. propagation speed x frequency b. propagation speed/
wavelength
c. PRF/2
d. 4xV^2
Answer:
c. PRF/2
Question:
Multiple echoes, equally spaced originating from a gas bubble is called: a. comet tail b.
ring down
c. slice thickness artifact
d. multipath
Answer:
b. ring down
Question:
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
Question:
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
CORRECT Answers
Question:
Which gain will increase the risk of bioeffects? a. transmit b. receive
c. gain
d. overall gain
Answer:
a. transmit
Question:
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
Answer:
e. digital scan converter
Question:
Spectral broadening suggest: a. laminar flow b. turbulent flow
c. flow away from the transducer
d. flow towards the transducer
Answer:
b. turbulent flow
Question:
With pulse wave Doppler axial resolution:
Answer:
degrades
Question:
What color is usually use in color flow Doppler variance map to indicate turbulent flow?
Answer:
green
, Question:
The Doppler wall filter is considered a:
Answer:
high pass filter
Question:
The Nyquist Limit is equal to: a. propagation speed x frequency b. propagation speed/
wavelength
c. PRF/2
d. 4xV^2
Answer:
c. PRF/2
Question:
Multiple echoes, equally spaced originating from a gas bubble is called: a. comet tail b.
ring down
c. slice thickness artifact
d. multipath
Answer:
b. ring down
Question:
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
Question:
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