Term
BPPV may be caused by a vascular compromise to the labyrinth
T/F |
|
Definition
|
|
Term
Cupulolithiasis was first described by Schuknecht in 1969
T/F |
|
Definition
|
|
Term
Otoconia are composed of sodium nitrate
T/F |
|
Definition
|
|
Term
Canalithiasis is a form of BPPV in which the otolith debris is free floating
T/F |
|
Definition
|
|
Term
BPPV is the leading cause of vertigo in older adults
True/False |
|
Definition
|
|
Term
Differential diagnosis between cupulolithiasis and canalithiasis will affect treatment protocols
T/F |
|
Definition
|
|
Term
Otolith debris accumulates most often in the anterior SCC
T/F |
|
Definition
|
|
Term
Visual observation of the pt's eye movements during positioning tests is the primary diagnostic tools for BPPV
T/F |
|
Definition
|
|
Term
A transient, rotary-tortional nystagmus is typically a positive finding for BPPV
T/F |
|
Definition
|
|
Term
Cawthorne-Cooksey exercises are the treatment of choice with canalithiasis
T/F |
|
Definition
|
|
Term
Post head shake nystagmus may be caused by a non-compensated labyrinthine
T/F |
|
Definition
|
|
Term
Caloric testing provides evaluation of the entire frequency sensitivity of the horizontal canal
T/F |
|
Definition
|
|
Term
Ageotropic positional nystagmus describes the direction of the fast phase away from the ground
T/F |
|
Definition
|
|
Term
Unilateral caloric weakness may be due to either a peripheral or central lesion
T/F |
|
Definition
|
|
Term
Neurological abnormalities rarely can be seen in the ocular motor tests
T/F |
|
Definition
|
|
Term
Age related changes may effect performance on pendular smooth pursuit testing
T/F |
|
Definition
|
|
Term
Gaze testing may reveal a spontaneous nystagmus only with eye closed
T/F |
|
Definition
|
|
Term
ENG studies are conclusive in determining whether or not a vestibular lesion exists
T/F |
|
Definition
|
|
Term
Video-oculography uses infra-red cameras to record eye movement rather than corneoretinal potentials
T/F |
|
Definition
|
|
Term
| Video-oculography does not require the pt to close their eyes, eliminating Bell's phenomenon T/F |
|
Definition
|
|
Term
| The primary role of the VOR is to: |
|
Definition
| provide gaze stabilization during head movement |
|
|
Term
| The primary 3 components for equilibrium are: |
|
Definition
| somatosensory, visual and vestibular |
|
|
Term
| Nystagmus can be best described as a: |
|
Definition
| rapid involuntary eye movement with a fast and slow phase |
|
|
Term
| The vestibulo-spinal reflex is most strongly influenced by the: |
|
Definition
|
|
Term
| The vascular supply for the vestibular system is provided by the: |
|
Definition
| labyrinthine branch of the basilar artery |
|
|
Term
Head movement causes endolymph to move in the direction. The eyes move in the direction
of the : |
|
Definition
|
|
Term
The hair cell receptors in the SCCs are located in the . The hair cell receptors in the otolith
organs are located on the . |
|
Definition
|
|
Term
| The membranous labyrinth is filled with: |
|
Definition
|
|
Term
| The extra-ocular eye muscles are innervated by cranial nerves: |
|
Definition
|
|
Term
| The VORs response to head movement acceleration is to: |
|
Definition
| move the eyes one degree in the opposite direction for each one-degree of head movement |
|
|
Term
The SCC and otolith organs have the same Type I and Type II hair cells
T/F |
|
Definition
|
|
Term
The cerebellum sends an ascending motor control signal to the musculoskeletal system
T/F |
|
Definition
|
|
Term
Saccadic and pendular pursuit are voluntary eye movements
T/F |
|
Definition
|
|
Term
Otolith crystals are composed of sodium nitrate
T/F |
|
Definition
|
|
Term
Vertigo may be described as the brain's conscious response to sensory conflicts
T/F |
|
Definition
|
|
Term
Cranial nerve VI innervates the lateral rectus extraocular eye muscles
T/F |
|
Definition
|
|
Term
Saccadic and pendular pursuit are involuntary eye movements
T/F |
|
Definition
|
|
Term
In embryological development, the cochlea precedes the labyrinth
T/F |
|
Definition
|
|
Term
Defects in the vestibulospinal tract will likely cause problems in postural stability and ambulation
T/F |
|
Definition
|
|
Term
According to Gans, 60% of dizziness and vertigo can be attributed to an inner ear disorder
T/F |
|
Definition
|
|
