Ears Flashcards
1
Q
How long is the external auditory canal
A
3.5cm
2
Q
Where is the middle ear seen or housed
A
Petrous bone
3
Q
Where does the tympanic membrane attach
A
Scutum
4
Q
This is recessed superiorly into to the petrous bone known as
A
Epitympanic recess
Attic
5
Q
This is the roof of the middle ear
A
Tegmen tympani
6
Q
How does the attic communicate with the mastoid air cells through a narrow posterior opening
A
Aditus ad antrum
7
Q
What is a long crus down that articulates with the stapes
A
Lentiform process
Lenticular process
8
Q
This is where the base of then stapes inserts
Above and behind promontory
A
Oval window
9
Q
This assess the internal auditory meatus as well as the facial nerve
A
Computed tomography
10
Q
Used to study the contents of the temporal bone
A
MRI
