Which of the following instruments is used by a doctor to hear the sounds of the heartbeat?
A
Spirometer
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B
Thermometer
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C
Stethoscope
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D
Sphygmomanometer
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Solution
The correct option is C Stethoscope A doctor uses a stethoscope to listen to the sounds made by the heart.
A spirometer is used to measure the lung capacity and lung volume.
A thermometer is used to measure body temperature.
A sphygmomanometer is an instrument that is used to measure blood pressure.