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Which of these devices is used to hear the heart sounds?

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in Biology – Class 11 by (272k points)
Which of these devices is used to hear the heart sounds?

(a) Endoscope

(b) Stethoscope

(c) Sphygmomanometer

(d) Electrocardiograph

The question was posed to me in an interview for job.

The above asked question is from Human Circulatory System in chapter Body Fluids and Circulation of Biology – Class 11

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Right option is (b) Stethoscope

To elaborate: The heart makes two distinct sounds, termed ‘lub’ and ‘dub’, which can be audible to the human ear with the help of an instrument known as the stethoscope. These sounds are important for clinical diagnoses.

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