Exam 2 Part 5

Question 1

How many people are affected annually by balance dysfunction?

Answer 1

7 million

Question 2

Balance dysfunction is the number _ complaint for those over the age of 70 and _ for all patients

Answer 2

1, 3

Question 3

_ in _ people will have dizziness or balance dysfunctions in their life

Answer 3

1 in 3

Question 4

What are the common causes and dizziness and balance dysfunctions?

Answer 4

Peripheral and central

Question 5

What 4 systems does balance depend on?

Answer 5

Vestibular, visual, proprioceptive, diffuse CNS

Question 6

Why are audiologists involved in balance dysfunctions?

Answer 6

Vestibular system is in close proximity to the ear, sensory receptors and fluid are shared, 8th cranial nerve is shared

Question 7

The vestibular and hearing system share the same liquid called ______

Answer 7

Perilymph

Question 8

How is the vestibulo-ocular reflex (VOR) stimulated?

Answer 8

As you move your head, perilymph moves in the semicircular canal

Question 9

What is the response to the VOR?

Answer 9

Eyes will move in response to the reflex

Question 10

Caused by VOR; eyes move in response to fluid movement in semicircular canal

Answer 10

Nystagmus

Question 11

Objective measure of subjective complaint (dizziness)

Answer 11

VNG and ENG

Question 12

VNG

Answer 12

Videonystagmography

Question 13

ENG

Answer 13

Electronystagmography

Question 14

Measured with infrared goggles; infrared light reflected off the retina

Answer 14

VNG

Question 15

Measure with electrodes on the surface of the skin near the eyes

Answer 15

ENG

Question 16

Electrical difference between the back and front of the eye

Answer 16

Corneoretinal potential

Question 17

Test to see if a person can focus on one point

Answer 17

Gaze test

Question 18

Test where a dot is moving and the person has to follow it

Answer 18

Smooth pursuit test

Question 19

Test where the stripes on the picture are moving; shows if nystagmus is working

Answer 19

Optokinetic nystagmus test

Question 20

Test where we place patient in different positions and find nystagmus

Answer 20

Positional nystagmus test

Question 21

Test where we lie the person with head hanging off of table and turn their head

Answer 21

Paroxysmal positional vertigo test (Dix-Hallpike maneuver)

Question 22

Test where we change temperature in ear canal using water or air; independent evaluation of each ear

Answer 22

Caloric test

Question 23

What does COWS stand for?

Answer 23

Cold opposite warm same

Question 24

If cold water is placed in the right ear, where would we get the nystagmus?

Answer 24

Left ear

Question 25

Gets rid of visual cues, only shows vestibular system using a rotary chair

Answer 25

Rotary chair

Question 26

What type of testing can we do on a rotary chair?

Answer 26

VNG

Question 27

Used to test how strong your 3 systems in balance work

Answer 27

Computerized dynamic posturography

Question 28

What types of vestibular rehabilitation do we use?

Answer 28

Wiifit, Epliomniacs, medication, antivert