[Solved] Who provides a recording of waveforms of heart sounds?

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Q.	Who provides a recording of waveforms of heart sounds?
A.	Electrocardiograph
B.	Vectorcardiograph
C.	Phonocardiograph
D.	Electromyograph
Answer» C. Phonocardiograph
Explanation: The phonocardiographs provide a recording of the waveforms of the heart sounds. These waveforms are diagnostically more important and revealing than the sounds themselves.

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