Middle Ear Flashcards

1
Q

What sit he main function for the Middle ear

A

Transmit vibrations from tympanic mem to inner earn

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What are the two parts of the Middle ear

A

Tympanic cavity

Epitympanic recess

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What are the auditory ossicle

A

Malleus
Incus
Stapes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What do the auditory ossicles connect

A

The tympanic membrane to the oval window

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Where are the mastoid air cells

A

Posterior to the epitympanic recess

In the Antrum of the mastoid process

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

How does the mastoid Antrum communicate with the mastoid

A

Via aditus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What are the two protective muscles of the ear cavity

A

Stapedius and tensor tympani

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What does the stapedius and tensor tympani do

A

Response to loud noises

Prevent vibrations fo ossicles reducing sound transmission so not damage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What innervates the tensor tympani

A

v3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What inv the stapedius

A

Facial nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What si the purpose of the Eustachian tube

A

Equalise the pressure of Middle ear to eam

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Where does he Middle ear lie

A

In temporal bone

Extends from tympanic mem to lateral wall of internal ear

How well did you know this?
1
Not at all
2
3
4
5
Perfectly