Anatomy Of The Ear

32 Questions  I  By Kelsey.wickre on March 31, 2009
Anatomy of the Ear

  

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1.  This collects acoustic sounds and funnels it to the eardrum...
A.
B.
C.
2.  What is the most severe type of hearing loss you can get from cerumen impaction?
A.
B.
C.
D.
3.  What are the 3 functions of the external ear?
A.
B.
C.
4.  A small air filled cavity lined with a mucous membrane....
5.  Where are the ME and IE housed?
6.  What is a concave, disk-like structure with invaginated portion pointed in toward the middle ear space?
A.
B.
C.
D.
7.  What is the order of the TM layers, outer to inner?
8.  Largest bone in the ME
9.  What is the ring-shaped ligament that holds the footplate of the stapes in the oval window?
A.
B.
C.
D.
10.  What do the axial ligaments do?
A.
B.
C.
D.
11.  The passageway leading from the nasopharynx to the anterior wall of the ME is
12.  The Eustachian tube is usually
13.  What are the functions of the middle ear?
A.
B.
C.
14.  How many decibels does the ME compensate for?
15.  The area difference btwn the TM and footplate of the stapes is...
A.
B.
C.
D.
16.  The ratio of the lever action of the ossicular chain is
17.  Higher mass equals
A.
B.
18.  Higher stiffness equals
A.
B.
19.  If the TM retracts due to negative pressure in the ME,what happens?
20.  If fluid builds up in the ear, what happens?
21.  How does the ME protect?
22.  The acoustic reflex can reduce how many decibels of loud sounds?
A.
B.
C.
D.
23.  What is the structure comprising of the sensory organs for hearing and balance?
A.
B.
C.
24.  What is the auditory portion of the inner ear?
25.  The base of the cochlea deals with...
A.
B.
26.  What is the membrane covered opening in the labyrinthine wall of the ME space, leading in the scala tympani?
A.
B.
C.
27.  The opening in the labyrinthine wall of the ME space, leading into the scala vestibuli of the cochlea, into which the footplate of the stapes fits is
28.  Which is filled with endolymph?
A.
B.
C.
29.  Perilymph is not only similar to CSF, but also...
A.
B.
30.  The base of the basilar membrane is for
A.
B.
31.  How many rows of outer hair cells are there? Totally in what?
A.
B.
C.
D.
E.
32.  What are cell bodies of the auditory nerve fibers that innervate the inner and outer hair cells clustered in the modiolus?
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