Q. What is the instrument used by doctors to hear the sound of heart and lungs?

A
Ammeter
B
Binocular
C
Stethoscope
D
Lactometer
Solution:

The stethoscope is an instrument used by doctors and other health professionals to listen to body sounds. It is mainly designed to listen to the lungs and heart, although it is also used to listen to the bowels and blood flow in other parts of the body.

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