Question 1

Which pathway between the vestibular system and the motor system receives the majority of its input from the otoliths in the cerebellum?

Accepted Answer

A)  medial vestibulospinal tract 
B)  lateral vestibulospinal tract 
C)  dorsal horn of the spinal cord 
D)  reticulospinal 
A)  medial vestibulospinal tract 
B)  lateral vestibulospinal tract 
C)  dorsal horn of the spinal cord 
D)  reticulospinal B

Question 2

If the motor components of the visual-ocular system are damaged,which of the following would be true?

Accepted Answer

A)  Visual and vestibular controlled eye movements would be normal. 
B)  Visual and vestibular controlled eye movements would be abnormal. 
C)  Visually controlled eye movements would be normal, but vestibular dependent eye movements would be abnormal. 
D)  Visually controlled eye movements would be abnormal, but vestibular dependent eye movements would be normal. 
A)  Visual and vestibular controlled eye movements would be normal. 
B)  Visual and vestibular controlled eye movements would be abnormal. 
C)  Visually controlled eye movements would be normal, but vestibular dependent eye movements would be abnormal. 
D)  Visually controlled eye movements would be abnormal, but vestibular dependent eye movements would be normal. B

Question 3

What is the primary blood supply to the components of the vestibular system?

Accepted Answer

A)  posterior cerebellar artery 
B)  inferior cerebellar artery 
C)  Circle of Willis 
D)  vertebral basilar artery 
A)  posterior cerebellar artery 
B)  inferior cerebellar artery 
C)  Circle of Willis 
D)  vertebral basilar artery D

Question 4

What is the medial border of the end organ of the vestibular system?

Accepted Answer

A)  middle ear 
B)  cochlear duct 
C)  vestibular nerve 
D)  temporal bone 
A)  middle ear 
B)  cochlear duct 
C)  vestibular nerve 
D)  temporal bone

Question 5

Complaints of "floating or swimming" head could represent which of the following conditions?

Accepted Answer

A)  orthostatic hypotension 
B)  disruption of the vestibular/somatosensory system 
C)  unilateral disorder 
D)  abnormal otolith response 
A)  orthostatic hypotension 
B)  disruption of the vestibular/somatosensory system 
C)  unilateral disorder 
D)  abnormal otolith response

Question 6

Which pathway that receives its signals from the vestibular system is responsible for postural changes in response to angular head motion?

Accepted Answer

A)  medial vestibulospinal tract 
B)  lateral vestibulospinal tract 
C)  dorsal horn of the spinal cord 
D)  reticulospinal tract 
A)  medial vestibulospinal tract 
B)  lateral vestibulospinal tract 
C)  dorsal horn of the spinal cord 
D)  reticulospinal tract

Question 7

Permanent damage to which cranial nerve can result from malignant external otitis?

Accepted Answer

A)  cranial nerve V 
B)  cranial nerve VI 
C)  cranial nerve VII 
D)  cranial nerve VIII 
A)  cranial nerve V 
B)  cranial nerve VI 
C)  cranial nerve VII 
D)  cranial nerve VIII

Question 8

Which of the following is not a symptom of the unilateral vestibular neuronitis?

Accepted Answer

A)  nausea/vomiting 
B)  rotary vertigo 
C)  spontaneous horizontal nystagmus 
D)  pain 
A)  nausea/vomiting 
B)  rotary vertigo 
C)  spontaneous horizontal nystagmus 
D)  pain

Question 9

Stimulation of which part of the canal would provoke the highest level of nausea?

Accepted Answer

A)  vertical canal 
B)  horizontal canal 
C)  posterior canal 
D)  anterior canal 
A)  vertical canal 
B)  horizontal canal 
C)  posterior canal 
D)  anterior canal

Question 10

In the semicircular canals,the ampulla moves in which direction in relation to head movement?

Accepted Answer

A)  The ampulla moves in the same direction as head movement. 
B)  The ampulla moves in the opposite direction of head movement. 
C)  The ampulla remains constant without movement regardless of the movement of the head. 
D)  The ampulla moves with rotational movement only. 
A)  The ampulla moves in the same direction as head movement. 
B)  The ampulla moves in the opposite direction of head movement. 
C)  The ampulla remains constant without movement regardless of the movement of the head. 
D)  The ampulla moves with rotational movement only.

Question 11

Which of the following head positions will place the posterior canal in the vertical position?

Accepted Answer

A)  The body is prone with the head turned to the side. 
B)  The body is supine and the head is flexed beyond neutral and rotated 45 degrees to the ipsilateral side. 
C)  The body is prone and the neck is extended to neutral and rotated 45 degrees to the contralateral side. 
D)  The body is in supine and the head is extended beyond neutral and rotated 45 degrees to the ipsilateral side. 
A)  The body is prone with the head turned to the side. 
B)  The body is supine and the head is flexed beyond neutral and rotated 45 degrees to the ipsilateral side. 
C)  The body is prone and the neck is extended to neutral and rotated 45 degrees to the contralateral side. 
D)  The body is in supine and the head is extended beyond neutral and rotated 45 degrees to the ipsilateral side.

Question 12

What is not a common complaint of benign paroxysmal positional vertigo (BPPV)?

Accepted Answer

A)  Sensation stops after 2-3 minutes in static position 
B)  Sensation of intense vertigo with head position changes 
C)  Autonomic changes such as sweating 
D)  Sensation of movement of the environment and blurred vision 
A)  Sensation stops after 2-3 minutes in static position 
B)  Sensation of intense vertigo with head position changes 
C)  Autonomic changes such as sweating 
D)  Sensation of movement of the environment and blurred vision

Question 13

Which class of movement is defined as holding images steady on the retina during sustained head rotation?

Accepted Answer

A)  vestibular 
B)  visual fixation 
C)  optokinetic 
D)  smooth pursuit 
A)  vestibular 
B)  visual fixation 
C)  optokinetic 
D)  smooth pursuit

Question 14

What is usually the initial symptom of Meniere's syndrome?

Accepted Answer

A)  rotational vertigo 
B)  sensation of fullness of the ear 
C)  postural imbalance 
D)  nystagmus 
A)  rotational vertigo 
B)  sensation of fullness of the ear 
C)  postural imbalance 
D)  nystagmus

Question 15

How long does it take the brain to adapt to ipsilateral vestibular nerve tonic firing loss if there is no other pathology present?

Accepted Answer

A)  6 hours 
B)  1 week 
C)  2 weeks 
D)  3 weeks 
A)  6 hours 
B)  1 week 
C)  2 weeks 
D)  3 weeks

Question 16

A perilymph fistula is an abnormal communication of what two anatomic areas/structures?

Accepted Answer

A)  inner ear and auditory nerve 
B)  inner ear and middle ear 
C)  middle ear and cochlea 
D)  cochlea and external auditory canal 
A)  inner ear and auditory nerve 
B)  inner ear and middle ear 
C)  middle ear and cochlea 
D)  cochlea and external auditory canal

Question 17

Primary carcinoma will usually not involve which of the following structures?

Accepted Answer

A)  external auditory canal 
B)  end organ 
C)  middle ear 
D)  mastoid 
A)  external auditory canal 
B)  end organ 
C)  middle ear 
D)  mastoid

Question 18

Calcium carbonate crystals,or otoconia,adhere to which of the below membranes?

Accepted Answer

A)  otolithic membrane 
B)  basilar membrane 
C)  tectorial membrane 
D)  cochlear membrane 
A)  otolithic membrane 
B)  basilar membrane 
C)  tectorial membrane 
D)  cochlear membrane

Question 19

Which of the following tests is specific to dysfunction of the otolith?

Accepted Answer

A)  vestibular-evoked myogenic potentials 
B)  electrocochleography 
C)  posturography 
D)  rotational chair testing 
A)  vestibular-evoked myogenic potentials 
B)  electrocochleography 
C)  posturography 
D)  rotational chair testing

Question 20

Which of the following situations would manifest as vertigo?

Accepted Answer

A)  A vestibular nerve on one side of the head has a loss of tonic firing. 
B)  A vestibular nerve on one side of the head is hyperactive. 
C)  Vestibular nerves on both sides of the head have a loss of tonic firing. 
D)  Vestibular nerves on both sides of the head are hyperactive. 
A)  A vestibular nerve on one side of the head has a loss of tonic firing. 
B)  A vestibular nerve on one side of the head is hyperactive. 
C)  Vestibular nerves on both sides of the head have a loss of tonic firing. 
D)  Vestibular nerves on both sides of the head are hyperactive.

Exam 36: Vestibular Disorders

Which pathway between the vestibular system and the motor system receives the majority of its input from the otoliths in the cerebellum?

If the motor components of the visual-ocular system are damaged,which of the following would be true?

What is the primary blood supply to the components of the vestibular system?

What is the medial border of the end organ of the vestibular system?

Complaints of "floating or swimming" head could represent which of the following conditions?

Which pathway that receives its signals from the vestibular system is responsible for postural changes in response to angular head motion?

Permanent damage to which cranial nerve can result from malignant external otitis?

Which of the following is not a symptom of the unilateral vestibular neuronitis?

Stimulation of which part of the canal would provoke the highest level of nausea?

In the semicircular canals,the ampulla moves in which direction in relation to head movement?

Which of the following head positions will place the posterior canal in the vertical position?

What is not a common complaint of benign paroxysmal positional vertigo (BPPV)?

Which class of movement is defined as holding images steady on the retina during sustained head rotation?

What is usually the initial symptom of Meniere's syndrome?

How long does it take the brain to adapt to ipsilateral vestibular nerve tonic firing loss if there is no other pathology present?

A perilymph fistula is an abnormal communication of what two anatomic areas/structures?

Primary carcinoma will usually not involve which of the following structures?

Calcium carbonate crystals,or otoconia,adhere to which of the below membranes?

Which of the following tests is specific to dysfunction of the otolith?

Which of the following situations would manifest as vertigo?

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