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Question

In breathing movements, air volume can be estimated by

(a) stethoscope

(b) hygrometer

(c) sphygmomanometer

(d) spirometer

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Solution

(d) Spirometer is the device used to measure the volume of air involved in breathing movements it also helps in clinical assessment of pulmonary functions.

Stethoscope is a medical device used for listening the internal sounds of an animal or human body.

Hygrometer is a device used for measuring the moisture content in the atmosphere,

i.e., humidity.

Sphygmomanometer is a device that is used to measure blood pressure.


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