Netter's MCQs Chapter 18: The Ear Flashcards

1
Q

How many major functions does the ear have?

a: one
b: two
c: three
d: four

A

b: two

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2
Q

Which part of the ear is most superficial?

a: cochlea
b: malleus
c: auricle
d: saccule

A

c: auricle

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3
Q

Which is the function of the external ear?

a: gather sound
b: transmit vibrations
c: establish balance
d: perceive sound

A

a: gather sound

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4
Q

Which is an ear ossicle?

a: stapes
b: auricle
c: cochlea
d: helicotrema

A

a: stapes

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5
Q

Ear ossicles

a: gather sound
b: transmit sound vibrations
c: receive sound transmissions
d: maintain balance orientation

A

b: transmit sound vibrations

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6
Q

The middle ear is mainly in which location?

a: parietal bone
b: occipital bone
c: greater wing of the sphenoid bone
d: petrous portion of the temporal bone

A

d: petrous portion of the temporal bone

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7
Q

The auditory tube connects the tympanic cavity with which structure?

a: nasopharynx
b: scala tympani
c: scala vestibule
d: internal acoustic meatus

A

a: nasopharynx

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8
Q

Which is NOT contained within the tympanic cavity?

a: malleus
b: stapedius muscle
c: membranous labyrinth
d: tensor tympani muscle

A

c: membranous labyrinth

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9
Q

Which nerve is NOT found in the tympanic cavity?

a: lesser petrosal
b: chorda tympani
c: vestibulocochlear
d: tympanic branch of the glossopharyngeal

A

c: vestibulocochlear

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10
Q

The vestibular and auditory structures of the ear are filled with

a: air
b: fluid
c: muscle
d: arteries

A

b: fluid

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11
Q

Which structure makes up the auditory portion of the inner ear?

a: utricle
b: auricle
c: malleus
d: cochlea

A

d: cochlea

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12
Q

Which is NOT a structure of the vestibular portion of the inner ear?

a: utricle
b: saccule
c: semicircular canals
d: tympanic membrane

A

d: tympanic membrane

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13
Q

Which is NOT part of the inner ear?

a: cochlea
b: utricle
c: tympanic plexus
d: osseous labyrinth

A

c: tympanic plexus

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14
Q

Which structure contains the receptors for the auditory and vestibular functions?

a: osseous labyrinth
b: semicircular canals
c: membranous labyrinth
d: internal acoustic meatus

A

c: membranous labyrinth

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15
Q

The fluid located in which structure is known as endolymph?

a: saccule
b: cochlea
c: osseous labyrinth
d: membranous labyrinth

A

d: membranous labyrinth

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16
Q

The fluid located in which structure is known as perilymph?

a: saccule
b: cochlea
c: osseous labyrinth
d: membranous labyrinth

A

c: osseous labyrinth

17
Q

The vestibulocochlear nerve enters the inner ear through which structure?

a: cochlear duct
b: auditory tube
c: internal acoustic meatus
d: external auditory meatus

A

c: internal acoustic meatus

18
Q

The depressed area between the helix and antihelix is called the

a: tragus
b: crus helix
c: scaphoid fossa
d: intertragic fossa

A

c: scaphoid fossa

19
Q

Which structure does NOT form the osseous portion of the external acoustic meatus?

a: petrous portion of the temporal bone
b: mastoid portion of the temporal bone
c: tympanic portion of the temporal bone
d: squamous portion of the temporal bone

A

b: mastoid portion of the temporal bone

20
Q

The external layer of the tympanic membrane is composed of which type of epithelium?

a: simple columnar
b: stratified cuboidal
c: stratified squamous
d: pseudostratified columnar

A

c: stratified squamous