ARDMS SPI Exam with correct answers |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
Which gain will increase the risk of bioeffects?
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a. transmit
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b. receive |||\\\
c. gain
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d. overall gain - correct answer✔✔a. transmit
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Which of the following is considered the memory of an ultrasound instrument?
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a. pulser |||\\\
b. transducer
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c. receiver
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d. beam former
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e. digital scan converter
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f. display monitor - correct answer✔✔e. digital scan converter
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Spectral broadening suggest: |||\\\ |||\\\
a. laminar flow
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b. turbulent flow
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c. flow away from the transducer
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d. flow towards the transducer - correct answer✔✔b. turbulent flow
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With pulse wave Doppler axial resolution: - correct answer✔✔degrades
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, What color is usually use in color flow Doppler variance map to indicate turbulent flow? -
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correct answer✔✔green |||\\\ |||\\\
Doppler high pass filter eliminates: - correct answer✔✔high amplitude signals; low velocity
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flow
The Doppler wall filter is considered a: - correct answer✔✔high pass filter
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The Nyquist Limit is equal to:
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a. propagation speed x frequency
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b. propagation speed/ wavelength
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c. PRF/2
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d. 4xV^2 - correct answer✔✔c. PRF/2
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Multiple echoes, equally spaced originating from a gas bubble is called:
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a. comet tail
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b. ring down
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c. slice thickness artifact
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d. multipath - correct answer✔✔b. ring down
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An increase in red blood cell velocity will_____ the Doppler Shift:
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a. increase
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b. decrease
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c. not change
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d. cannot be predicted - correct answer✔✔a. increase
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The primary advantage of CW Doppler is:
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Which gain will increase the risk of bioeffects?
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
a. transmit
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b. receive |||\\\
c. gain
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d. overall gain - correct answer✔✔a. transmit
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Which of the following is considered the memory of an ultrasound instrument?
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
a. pulser |||\\\
b. transducer
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c. receiver
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d. beam former
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e. digital scan converter
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f. display monitor - correct answer✔✔e. digital scan converter
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Spectral broadening suggest: |||\\\ |||\\\
a. laminar flow
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b. turbulent flow
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c. flow away from the transducer
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d. flow towards the transducer - correct answer✔✔b. turbulent flow
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With pulse wave Doppler axial resolution: - correct answer✔✔degrades
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, What color is usually use in color flow Doppler variance map to indicate turbulent flow? -
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
correct answer✔✔green |||\\\ |||\\\
Doppler high pass filter eliminates: - correct answer✔✔high amplitude signals; low velocity
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
flow
The Doppler wall filter is considered a: - correct answer✔✔high pass filter
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The Nyquist Limit is equal to:
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\
a. propagation speed x frequency
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b. propagation speed/ wavelength
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c. PRF/2
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d. 4xV^2 - correct answer✔✔c. PRF/2
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Multiple echoes, equally spaced originating from a gas bubble is called:
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
a. comet tail
|||\\\ |||\\\
b. ring down
|||\\\ |||\\\
c. slice thickness artifact
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d. multipath - correct answer✔✔b. ring down
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An increase in red blood cell velocity will_____ the Doppler Shift:
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a. increase
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b. decrease
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c. not change
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d. cannot be predicted - correct answer✔✔a. increase
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The primary advantage of CW Doppler is:
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