ARDMS SPI EXAM LATEST REAL EXAM 150 QUESTIONS AND CORRECT ANSWERS|AGRADE
Multiple echoes, equally spaced originating from a gas bubble is called: a. comet tail b. ring down c. slice thickness artifact d. multipath Correct Answer: b. ring down An increase in red blood cell velocity will the Doppler Shift: a. increase b. decrease c. not change d. cannot be predicted Correct Answer: a. increase The primary advantage of CW Doppler is: a. range resolution b. range discrimination c. range ambiguity d. range gating e. absence of sampling rate Correct Answer: e. absence of sampling rate The range for ultrasound begins: a. 20 Hz b. 20,000 Hz c. 2 MHz d. 15 MHz Correct Answer: b. 20,000 Hz (useful frequency range for clinical imaging is 2MHz-10MHz) Which instrument control affects the amplitude (dB) of the outgoing signal: a. gain b
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