Which part of the stethoscope is used to hear the heartbeat?
A
Lens
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B
Tube
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C
Chest piece
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D
Ear piece
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Solution
The correct option is C Chest piece The stethoscope consists of three parts - a chest piece that are joined to the two ear pieces by a tube. The chest piece carries a sensitive diaphram which when placed on the chest amplifies the heartbeat.