1. Basics of Ear Flashcards
(10 cards)
1
Q
What are the three main parts of the ear?
A
External ear, Middle ear, Inner ear
2
Q
Which bone houses the structures of the ear?
A
Temporal bone
3
Q
What is the function of the Eustachian tube?
A
Equalizes pressure between the middle ear and nasopharynx
4
Q
Which ossicle is attached to the tympanic membrane?
A
Malleus
5
Q
What fluid fills the bony labyrinth?
A
Perilymph
6
Q
What fluid fills the membranous labyrinth?
A
Endolymph
7
Q
Which part of the ear is responsible for balance?
A
Vestibular apparatus (semicircular canals, utricle, saccule)
8
Q
What is the role of the cochlea?
A
Hearing
9
Q
Which window does the stapes footplate occupy?
A
Oval window
10
Q
What is the function of the round window?
A
Allows for displacement of fluid within the cochlea
