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| Q. |
Phonocardiography is listening to |
| A. | arm muscle sound |
| B. | lungs sound |
| C. | heart sound |
| D. | respiratory tract sound |
| Answer» C. heart sound | |
| Explanation: A phonocardiogram (or PCG) is a record high-constancy recording of sounds and mumble made by the heart with the assistance of the machine called phonocardiography. | |
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