HEARING IMPAIRMENT
1. The tympanic membrane separates the ear canal from the
Upper ear cavity
Lower ear cavity
Middle ear cavity
Inner ear cavity
2. The middle ear is exposed to atmospheric pressure only through the
A) Eustachian tube
Pinna
B) tympanic membrane
D) auditory nerve
3. The major function of the middle ear is
To transfer movements of the air in the outer ear to the cochlea
To transfer movements of the air in the outer ear to the auditory nerves
To transfer movements of the air in the outer ear to the tympanic membrane
To transfer movements of the air in the outer ear to the fluid-filled chambers of the inner ear
4. The human ear responses to vibrations ranging from
20KHz-20MHz
20Hz-20KHz
2KHz – 200Hz
2KHz – 2MHz
5. Name the bone that rests upon the lower end of the cochlea and passes the vibrations directly into the fluid within.
Mallues
Incus
Stapes
Hammer
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