the ear, auditory and vestibular apparatus

Question 1

three ossicles

Answer 1

malleus, incus, stapes

Question 2

external ear consists of the _____ an the _________ or the auditory canal

Answer 2

auricle and the eternal acoustic meatus EAM

Question 3

middle ear is known as the _______ and contains the ossibles

Answer 3

tympanic cavity

Question 4

the middle ear houses ____ which help dampen movements fo the possibles thereby lessening the transmission of loud suonds

Answer 4

muscles

Question 5

tensor tympani is innervated by ____ and lessens the damage from loud sounds by ____ the eardrum

Answer 5

V3

“tensing” the eardrum

Question 6

stapedius is innervated by the ____ and dampens

Answer 6

facial nerve

Question 7

_____ separates external and middle ear

Answer 7

tympanic membrane

Question 8

moves in response to air/sound vibrations that pass through the external ear

Answer 8

tympanic membrane

Question 9

the inner ear contains the organ for hearing _____ and the organ for balance ______, is encased within the temporal bone

Answer 9

• auditory apparatus

- vestibular apparatus

Question 10

lateral third of the external meatus is surrounded by ____ while the medial 2/3 is surrounded by _____

Answer 10

cartilage

bone

Question 11

nerves that contribute to the ear and ear canal

Answer 11

• trigeminal V3 - part of face right before ear
• facial nerve VII - around the outer portion of the ear
• vagus nerve X - sensation to inner ear

Question 12

air filled chamber housed within the temporal bone

Answer 12

tympanic cavity

Question 13

the __________ tube connects the tympanic cavity to the nasopharynx and helps ______ within the middle ear

Answer 13

• pharyngotympanic tube

- equalize pressure