12 Questions
The external auditory canal contains hair, sebaceous glands, and ceruminous glands, which secrete a brown, waxlike substance called ______
cerumen
The Eustachian tube connects the middle ear to the ______
nasopharynx
The tympanic membrane is also known as the ______
eardrum
The 3 smallest bones in the body are the Malleus, Incus, and ______
Stapes
The cochlea is responsible for ______
hearing
The semicircular canals are responsible for ______
balance
Manipulation of the auricle does not normally elicit ______
pain
The examiner then whispers softly from a distance of 1 or 2 feet from the unoccluded ear and out of the patient’s sight. The patient with normal acuity can correctly repeat what was ______
whispered
A tuning fork (ideally, 512 Hertz [Hz]), set in motion by grasping it firmly by its stem and tapping it on the examiner’s knee or hand, is placed on the patient’s head or forehead; use in problem w/ outer and middle ear Hearing is better in affected area (outer and middle ear ______)
problem
Air conduction is louder than bone conduction (sensorineural hearing ______)
loss
Bone conduction is longer than air conduction (conductive hearing ______)
loss
Normal: 0-15 db ; 200,000 Hz - >30 db =critical for hearing ______
loss
Test your knowledge on the anatomy of the external and middle ear, including structures like the auricle, tympanic membrane, and external auditory canal. Learn about the functions and characteristics of each part to better understand how hearing and balance disorders may impact patients.
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