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NUR 3121 Week 2 Ears Test With Solution
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NUR 3121 Week 2 Ears Test WithSolution
Cerumen - ANSWER ear wax
a yellow waxy material that lubricates and protects the ear
where does the lymphatic drainage of the external ear flow? - ANSWER
parotid, mastoid, and superficial cervical nodes
what color is a normal finding of the TM - ANSWER pearly gray color
auditory ossicles - ANSWER malleus
incus
stapes
what does the eustachian tube do - ANSWER allows equalization of air
pressure on each side of TM so that it does not rupture
what is the function of the cortex - ANSWER to interpret meaning of the
sound and begin appropriate response
, what is the normal pathway of hearing - ANSWER air conduction
it is the most efficient
what is the alternate pathway of hearing - ANSWER bone conduction
bone conduction - ANSWER bones of the skull vibrate and are transmitted
directly to inner ear and to cranial nerve VIII
conductive hearing loss - ANSWER mechanical dysfunction of external or
middle ear
sensorineural hearing loss - ANSWER signifies pathology of inner ear, cranial
nerve VIII, or auditory areas of the cerebral cortex
mixed hearing loss - ANSWER combination of conductive and sensorineural
types in the same ear
what part of the ear is responsible for equilibrium - ANSWER the labyrinth of
the inner ear which is made up of 3 semicircular canals
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