Q.

What is included in the system to facilitate playback and study of EMG sound waveforms at a later convenient time?

A. Preamplifier
B. Oscilloscope
C. Tape Recorder
D. Ground Electrode
Answer» C. Tape Recorder
Explanation: The tape recorder is included in the system to facilitate playback and study of the EMG sound waveforms at a later convenient time. The waveform can also be photographed from the CRT screen by using a synchronized camera.
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