SPI Exam Dumps | For harmonic imaging, what must the overall transducer bandwidth contain?

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Question 28/99

For harmonic imaging, what must the overall transducer bandwidth contain?

A. Fundamental and second harmonic frequencies

B. Fundamental and fourth harmonic frequencies

C. Fundamental and even harmonic frequencies

D. Fundamental and odd harmonic frequencies

Correct Answer: A

Comprehensive and Detailed Explanation From Exact Extract:
Harmonic imaging operates by transmitting at the fundamental frequency and receiving echoes at the second harmonic frequency (which is twice the fundamental frequency). Therefore, the transducer must have a broad enough bandwidth to include both frequencies.
According to sonography instrumentation reference:
"For harmonic imaging, the transducer bandwidth must accommodate both the transmitted fundamental frequency and the received second harmonic frequency." Therefore, the correct answer is A: Fundamental and second harmonic frequencies.
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