Ear Assessment Review Flashcards
1
Q
- Auricle / pinna
A
EXTERNAL EAR
2
Q
many fine hairs, nerve endings
A
External auditory canal
3
Q
- a partition
A
Tympanic membrane / eardrum
4
Q
chamber in temporal bone
a. Round window
b. Ova window
A
- Tympanic cavity
5
Q
3 auditory ossicles - transmit sound waves
A
a. Malleus (hammer)
b. Incus (anvil)
c. Stapes (stirrup)
6
Q
stabilize air pressure & prevent rupture of T.M
A
Eustachian tube -
7
Q
fluid-filled
A
INNER EAR/LABYRINTH
8
Q
organ of corti (sensory of hearing)
A
Cochlea
9
Q
- where receptors are located
A
Vestibule
10
Q
contain organ of equilibrium
A
. Semicircular canals -
11
Q
vestibulocochlear nerve
A
Cranial nerve VIII
12
Q
- identify nature of hearing; air/bone conduction
A
MECHANISM OF SOUND TRANSMISSION
13
Q
TESTS
A
- Whisper
- Weber’s
- Rinne’s
- romberg
14
Q
- external to middle ear
A
. Conductive
15
Q
- gradual hearing loss
A
PRESBYCUSIS