Question 1

The name of the receptor region containing hair cells involved in detecting static equilibrium is .

Accepted Answer

A)   ampulla
B)   ampullary cupula
C)   crista ampullaris
D)   macula

Question 2

Which of the following might cause sensorineural deafness?

Accepted Answer

A)   rotating the head to relax neck muscles
B)   excess earwax in the external auditory canal
C)   fusion of the auditory ossicles
D)   listening to very loud music on a daily basis

Question 3

Pressure waves passing through the perilymph of the cochlea compress the vestibular membrane, and ultimately displace the basilar membrane. What is true of these waves?

Accepted Answer

A)   High frequency waves (high notes)  depress the basilar membrane closest to the middle ear.
B)   High frequency waves (high notes)  depress the basilar membrane all along its length.
C)   High frequency waves (high notes)  depress the basilar membrane closest to the distal end of the cochlea.
D)   High frequency waves (high notes)  depress the basilar membrane midway along its length. A

Question 4

Which of the following are good tests of the equilibrium apparatus?

Accepted Answer

A)   being rotated on a chair, after which the observers look for nystagmus
B)   standing and simultaneously beginning a task that requires mental concentration
C)   walking in a straight line, one foot in front of the other
D)   walking in a straight line placing one foot in front of the other, standing and simultaneously beginning a task that requires mental concentration, and being rotated on a chair, after which the observers look for nystagmus

Question 5

Tests for conduction deafness include .

Accepted Answer

A)   placing tuning forks on bones of the head
B)   walking a straight line with the eyes closed
C)   audiometry testing

Question 6

The pharyngotympanic (auditory)  tube connects the to the nasopharynx.

Accepted Answer

A)   tympanic membrane (eardrum) 
B)   external ear
C)   internal ear
D)   middle ear

Question 7

The receptor cells for hearing lie within the _ in the _.

Accepted Answer

A)   cochlear duct (scala media) ; utricle
B)   cochlear duct (scala media) ; spiral organ
C)   scala tympani; spiral organ
D)   scala vestibuli; semicircular canal

Question 8

The middle ear .

Accepted Answer

A)   carries and amplifies the vibrations of sound waves across three little bones
B)   contains the actual organs of hearing (the cochlea)  and equilibrium (the vestibular apparatus) 
C)   conducts sound waves through a canal toward the tympanic membrane

Question 9

Why is it difficult for "weightless" astronauts in space to know whether they are right side up or upside down?

Accepted Answer

A)   Maculae that report head position depend upon the gravitational pull on the otoliths.
B)   Sunrise and sunset are no longer linked to a 24-hour day.
C)   They can't see a horizon.
D)   The direction in which they are traveling changes rapidly. A

Question 10

What test assesses the proprioceptors involved with posture?

Accepted Answer

A)   Rinne test
B)   Romberg test
C)   Barany test
D)   Weber test

Question 11

Within the inner ear, this structure is involved in dynamic equilibrium.

Accepted Answer

A)   the semicircular canals
B)   saccule
C)   utricle
D)   cochlea

Question 12

The bony labyrinth is part of the .

Accepted Answer

A)   middle ear
B)   external ear
C)   internal ear

Question 13

Of the following tests of balance, which one demonstrates that vision is important for balance?

Accepted Answer

A)   standing and simultaneously beginning a task that requires mental concentration
B)   being rotated on a chair, after which the observers look for nystagmus
C)   walking in a straight line, one foot in front of the other

Question 14

Which of the following structures in the inner ear is essential for maintaining static equilibrium?

Accepted Answer

A)   cochlea
B)   semicircular canals
C)   saccule
D)   utricle

Question 15

Sound localization can be tested by _ .

Accepted Answer

A)   listening for the tick of a watch as the watch is held in various locations around the head
B)   placing a tuning fork on the frontal bone
C)   placing a tuning fork on the mastoid process
D)   undergoing an audiometry test A

Question 16

Sound waves pass through this canal on their way toward the eardrum.

Accepted Answer

A)   cochlear duct
B)   external acoustic meatus
C)   auditory tube
D)   semicircular canal

Question 17

The auditory ossicles transmit and amplify sound waves in the middle ear. In sequence, sound waves pass from: _ _.

Accepted Answer

A)   malleus-stapes-incus
B)   incus-malleus-stapes
C)   incus-stapes-malleus
D)   malleus-incus-stapes

Question 18

An aging gentleman suspects that his hearing is failing. He sees a specialist who performs this test to determine the precise nature of his suspected hearing loss.

Accepted Answer

A)   Barany test
B)   Rinne test
C)   Weber test
D)   audiometry test

Question 19

Nystagmus is .

Accepted Answer

A)   trailing of eyes in one direction followed by rapid movement in the other direction
B)   a sensation of dizziness and rotational movement when such movement is not occurring
C)   maintaining the eyes in a fixed forward direction during rotation

Question 20

Hair cells in the crista ampullaris are _ _.

Accepted Answer

A)   embedded in the otolithic membrane
B)   responsive to gravitational pull
C)   topped with "heavy" crystals called otoliths
D)   embedded in a gelatinous cap

Exam 25: Special Senses: Hearing and Equilibrium

The name of the receptor region containing hair cells involved in detecting static equilibrium is .

Correct AnswerverifiedShow Answer

Which of the following might cause sensorineural deafness?

Correct AnswerverifiedShow Answer

Pressure waves passing through the perilymph of the cochlea compress the vestibular membrane, and ultimately displace the basilar membrane. What is true of these waves?

Correct AnswerverifiedA

Which of the following are good tests of the equilibrium apparatus?

Correct AnswerverifiedShow Answer

Tests for conduction deafness include .

Correct AnswerverifiedShow Answer

The pharyngotympanic (auditory) tube connects the to the nasopharynx.

Correct AnswerverifiedShow Answer

The receptor cells for hearing lie within the _ in the _.

Correct AnswerverifiedShow Answer

The middle ear .

Correct AnswerverifiedShow Answer

Why is it difficult for "weightless" astronauts in space to know whether they are right side up or upside down?

Correct AnswerverifiedA

What test assesses the proprioceptors involved with posture?

Correct AnswerverifiedShow Answer

Within the inner ear, this structure is involved in dynamic equilibrium.

Correct AnswerverifiedShow Answer

The bony labyrinth is part of the .

Correct AnswerverifiedShow Answer

Of the following tests of balance, which one demonstrates that vision is important for balance?

Correct AnswerverifiedShow Answer

Which of the following structures in the inner ear is essential for maintaining static equilibrium?

Correct AnswerverifiedShow Answer

Sound localization can be tested by _ .

Correct AnswerverifiedA

Sound waves pass through this canal on their way toward the eardrum.

Correct AnswerverifiedShow Answer

The auditory ossicles transmit and amplify sound waves in the middle ear. In sequence, sound waves pass from: _ _.

Correct AnswerverifiedShow Answer

An aging gentleman suspects that his hearing is failing. He sees a specialist who performs this test to determine the precise nature of his suspected hearing loss.

Correct AnswerverifiedShow Answer

Nystagmus is .

Correct AnswerverifiedShow Answer

Hair cells in the crista ampullaris are _ _.

Correct AnswerverifiedShow Answer

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