SPI Exam Dumps | Which feature is a characteristic of continuous wave Doppler?

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Question 13/99

Which feature is a characteristic of continuous wave Doppler?

A. Range specificity

B. Aliasing

C. Low thermal index

D. Dedicated transmit and receive crystals

Correct Answer: D

Comprehensive and Detailed Explanation From Exact Extract:
Continuous wave (CW) Doppler utilizes two separate crystals: one constantly transmitting and one constantly receiving. This setup allows CW Doppler to measure very high velocities without aliasing, but at the cost of losing range specificity (no depth resolution).
According to sonography instrumentation reference:
"Continuous wave Doppler uses two separate elements for continuous transmission and reception of sound waves, allowing for detection of very high velocities but without depth specificity." Therefore, the correct answer is D: Dedicated transmit and receive crysta

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