Netter's MCQs Chapter 18: The Ear

Question 1

How many major functions does the ear have?

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

Answer 1

b: two

Question 2

Which part of the ear is most superficial?

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

Answer 2

c: auricle

Question 3

Which is the function of the external ear?

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

Answer 3

a: gather sound

Question 4

Which is an ear ossicle?

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

Answer 4

a: stapes

Question 5

Ear ossicles

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

Answer 5

b: transmit sound vibrations

Question 6

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

Answer 6

d: petrous portion of the temporal bone

Question 7

The auditory tube connects the tympanic cavity with which structure?

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

Answer 7

a: nasopharynx

Question 8

Which is NOT contained within the tympanic cavity?

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

Answer 8

c: membranous labyrinth

Question 9

Which nerve is NOT found in the tympanic cavity?

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

Answer 9

c: vestibulocochlear

Question 10

The vestibular and auditory structures of the ear are filled with

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

Answer 10

b: fluid

Question 11

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

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

Answer 11

d: cochlea

Question 12

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

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

Answer 12

d: tympanic membrane

Question 13

Which is NOT part of the inner ear?

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

Answer 13

c: tympanic plexus

Question 14

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

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

Answer 14

c: membranous labyrinth

Question 15

The fluid located in which structure is known as endolymph?

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

Answer 15

d: membranous labyrinth

Question 16

The fluid located in which structure is known as perilymph?

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

Answer 16

c: osseous labyrinth

Question 17

The vestibulocochlear nerve enters the inner ear through which structure?

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

Answer 17

c: internal acoustic meatus

Question 18

The depressed area between the helix and antihelix is called the

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

Answer 18

c: scaphoid fossa

Question 19

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

Answer 19

b: mastoid portion of the temporal bone

Question 20

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

Answer 20

c: stratified squamous