What instrument is primarily used to inspect the inside of the ear?

The primary instrument used to inspect the inside of the ear is the otoscope. This device consists of a light and magnifying lens that allows healthcare providers to examine the ear canal and the tympanic membrane (eardrum). The otoscope’s design enables clear visualization of the ear structures, which is essential for diagnosing conditions such as ear infections, blockages, or other abnormalities.

In contrast, a tuning fork is typically used in hearing tests to assess auditory function and bone conduction. A stethoscope is employed for auscultating heart and lung sounds rather than examining the ear. A sphygmomanometer is used to measure blood pressure and has no relevance to ear inspection. Therefore, the otoscope is the appropriate choice for evaluating the inner structures of the ear.