Ear Flashcards

1
Q

What is a thin plate of yellow cartilage covered by skin

A

External ear

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2
Q

Innervation of the external ear

A

Facial nerve

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3
Q

Is is an osteocartilaginous

A

External auditory meatus

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4
Q

Perichondritis which part is not affected

A

Lobule

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5
Q

What is the roof of the middle ear

A

Tegmen tympani

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6
Q

What do you call the first turn of the cochlea

A

Promontory

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7
Q

Where does the cone of light com from

A

Otoscope

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8
Q

Function of the auditory tube

A

Equalize air pressure in tympanic cavity and nasopharynx

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9
Q

What type of cartilage is the Eustachian tube

A

Osseous (1/3)

Cartilaginous (2/3)

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10
Q

What are 3 parts of the inner ear

A

Vestibule
Semicircular canals
Cochlea

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11
Q

What consist of membranous labyrinth

A

Utricle and saccule

Semicircular duct

Cochlear duct

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