Examlex
U.S. GDP includes estimates of the value of items that are produced and consumed at home, such as housework and car maintenance.
Otoscope
A medical instrument designed for examining the ear canal and eardrum.
Stethoscope
An instrument used in auscultation to convey to the ear the sounds produced by the body.
Spirometer
A device used to measure the amount of air inhaled and exhaled from the lungs, commonly used in pulmonary function tests.
Tuning Fork
A metal instrument that, when struck, produces a sound of a specific pitch, used in medical exams to assess hearing and vibration sensation.
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