ARDMS SPI Exam
Study online at https://quizlet.com/_qp1ws
1. Which gain will increase the risk a. transmit
of bioeffects?
a. transmit
b. receive
c. gain
d. overall gain
2. Which of the following is con- e. digital scan converter
sidered the memory of an ultra-
sound instrument?
a. pulser
b. transducer
c. receiver
d. beam former
e. digital scan converter
f. display monitor
3. Spectral broadening suggest: b. turbulent flow
a. laminar flow
b. turbulent flow
c. flow away from the transduc-
er
d. flow towards the transducer
4. With pulse wave Doppler axial degrades
resolution:
5. What color is usually use in col- green
or flow Doppler variance map to
indicate turbulent flow?
6. Doppler high pass filter elimi- high amplitude signals; low velocity flow
nates:
, ARDMS SPI Exam
Study online at https://quizlet.com/_qp1ws
7. The Doppler wall filter is consid- high pass filter
ered a:
8. The Nyquist Limit is equal to: c. PRF/2
a. propagation speed x frequen-
cy
b. propagation speed/ wave-
length
c. PRF/2
d. 4xV^2
9. 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
10. An increase in red blood cell a. increase
velocity will_____ the Doppler
Shift:
a. increase
b. decrease
c. not change
d. cannot be predicted
11. The primary advantage of CW e. absence of sampling rate
Doppler is:
a. range resolution
b. range discrimination
c. range ambiguity
Study online at https://quizlet.com/_qp1ws
1. Which gain will increase the risk a. transmit
of bioeffects?
a. transmit
b. receive
c. gain
d. overall gain
2. Which of the following is con- e. digital scan converter
sidered the memory of an ultra-
sound instrument?
a. pulser
b. transducer
c. receiver
d. beam former
e. digital scan converter
f. display monitor
3. Spectral broadening suggest: b. turbulent flow
a. laminar flow
b. turbulent flow
c. flow away from the transduc-
er
d. flow towards the transducer
4. With pulse wave Doppler axial degrades
resolution:
5. What color is usually use in col- green
or flow Doppler variance map to
indicate turbulent flow?
6. Doppler high pass filter elimi- high amplitude signals; low velocity flow
nates:
, ARDMS SPI Exam
Study online at https://quizlet.com/_qp1ws
7. The Doppler wall filter is consid- high pass filter
ered a:
8. The Nyquist Limit is equal to: c. PRF/2
a. propagation speed x frequen-
cy
b. propagation speed/ wave-
length
c. PRF/2
d. 4xV^2
9. 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
10. An increase in red blood cell a. increase
velocity will_____ the Doppler
Shift:
a. increase
b. decrease
c. not change
d. cannot be predicted
11. The primary advantage of CW e. absence of sampling rate
Doppler is:
a. range resolution
b. range discrimination
c. range ambiguity
