Answers:
The medial 2/3rd of the EAC is --- whereas the lateral 1/3rd is ---
A) Free of hairs; cartilaginous
B)Free of hairs; Bony
C)Has hair follicles; cartilaginous
D)Has hair follicles; Bony
E) Has sebaceous glands; cartilaginous
F) Has sebaceous glands; bony
A) Free of hairs; cartilaginous
B)Free of hairs; Bony
C)Has hair follicles; cartilaginous
D)Has hair follicles; Bony
E) Has sebaceous glands; cartilaginous
F) Has sebaceous glands; bony
The medial 2/3rds of the EAC is bony and does not have hair follicles whereas the lateral 1/3rd of the EAC is cartilaginous and has hair follicles as well as ceruminous and sebaceous glands.
What are the four divisions of the temporal bone?
Squamous, petrous, tympanic and mastoid segments
MC Question:
Above what decibel does the stapedius muscle contract in order to decrease motion of the ossicles?
A) 20dB
B) 40dB
C)60dB
D)80dB
E) 100dB
Free Response Question:
Within the cochlea, Reissner's membrane separates---from---, whereas the basilar membrane separates--- from ---.
Quick Facts:
Neural Pathway of Hearing:
Cochlea-->Hair cells-> afferent nerves-> cochlear nuclei-> superior olive complexes-> lateral lemnisci->inferior colliculi->medial geniculate bodies->auditory cortex
B) 40dB
C)60dB
D)80dB
E) 100dB
Free Response Question:
Within the cochlea, Reissner's membrane separates---from---, whereas the basilar membrane separates--- from ---.
Quick Facts:
Neural Pathway of Hearing:
Cochlea-->Hair cells-> afferent nerves-> cochlear nuclei-> superior olive complexes-> lateral lemnisci->inferior colliculi->medial geniculate bodies->auditory cortex
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