Hearing Taste And Smell Flashcards
1
Q
sense of hearing involves
A
- transduction of sound waves
- conversion to electrical signal
- transmission to nervous system
2
Q
dB that cause damage to ear
A
100 dB
3
Q
dB that causes pain to ear
A
120 dB
4
Q
normal db for ear
A
65
5
Q
sound frequency normal range
A
usual range (350 -3000) Hz
6
Q
direct sound waves into auditory canal
A
external ear
7
Q
external ear consists of
A
pinna + auditory canal and is air filled
8
Q
middle ear consists of
A
tympanic membrane + ossicles (malleus, incus & stapes) and is air filled
9
Q
inner ear consists of
A
Bony labyrinth + membranous labyrinth Bony labyrinth (3 semicircular canals LPS) Membranous labyrinth (3 ducts scala vestibule, tympani & media) Fluid filled (perilymph & endolymph )
10
Q
inner ear contains
A
cochlea & vestibule
3 ducts + organ of corti
11
Q
spiral shaped contains 3 ducts + organ of corti
A
cochlea
12
Q
contain receptor cells and site of transduction
A
organ of corti
13
Q
nerve supply of organ of corti
A
vestibulocochlear nerve
14
Q
serve as sound frequency analyzer
A
basilar membrane
15
Q
loss of smell sense
A
anosmia
