ARDMS Sonography Principles and Instrumentation - SPI FREE EXAM DUMPS QUESTIONS & ANSWERS
Which technique averages individual frames together to improve the image?
Correct Answer: C
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Which describes the reflected frequency when a reflector is moving toward the sound source?
Correct Answer: B
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What is the primary determining factor of the fundamental frequency for pulsed wave transducers?
Correct Answer: C
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Which change can be made in order to avoid exceeding the Nyquist limit?
Correct Answer: A
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If the pulse repetition frequency is 3 kHz, what is the maximum Doppler shift that can be detected without aliasing?
Correct Answer: C
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Which change would lead to a reduction in frame rate?
Correct Answer: B
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Which factor influences color flow imaging frame rate?
Correct Answer: B
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How can the spectral Doppler mirroring seen in this image be eliminated?
Correct Answer: B
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What is an advantage of pulsed-wave Doppler over continuous-wave Doppler?
Correct Answer: B
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Which pulsed-wave Doppler adjustment would be appropriate to correct the aliasing seen in this image?
Correct Answer: B
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What is the term for an ultrasound system's ability to display low-level echoes?
Correct Answer: B
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What is the term for the change in direction of a sound wave crossing a tissue boundary at an oblique angle?
Correct Answer: A
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Which transducer was most likely used to create this image?
Correct Answer: A
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Which artifact results from decreased attenuation?
Correct Answer: B
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