ch 15 ears Flashcards
1
Q
external ear
A
- auricle, or pinna, tragus
- funnel sound waves into opening
- external auditory canal
- tympanic membrane
2
Q
middle ear
A
3 functions:
+conducts sound virbrations from outer ear central hearing
+protects inner ear
+equalization of pair pressure
+malleus, incus, and stapes
+eustachian tube
3
Q
inner ear
A
- bony labyrinth
- vestibule and semicircular canals
- cochlea
4
Q
Levels of auditory
A
- cranial nerve 8: helps identify sound
- cerebal coretex level
- peripehral
- brainstem
- cerebal cortex
5
Q
Pathways of hearing
A
- air conduction
- bone conduction
