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VNG Testing Questions and Answers: A Comprehensive Review, Exams of Nursing

Jackson State University (JSU)Nursing

A comprehensive review of vng testing, covering various aspects of the procedure, including pre-test instructions, test steps, expected results, and common pathologies. It presents a series of questions and answers that can be used for study purposes, particularly for students in healthcare fields.

Typology: Exams

2023/2024

Available from 10/30/2024

Fortis-In-Re
Fortis-In-Re 🇺🇸

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VNG Testing Questions And Answers A+ Review 2024
1 / 4
1. otoscope, computer, goggles, patient
table, tv, caloric machine, lighting what is needed to do VNG?
2. 48 hours how far in advance should patients
be given pre-test instructions?
3. any medicine (other than heart/ BP),
alcohol what should you not take before VNG
testing?
4. 3 hours food/liquid should not be consumed
before testing
5. calibration what is the first step of VNG testing?
6. spontaneous and gaze nystagmus,
saccades, smooth pursuit, optokinet-
ic, headshake, positional, caloric, ice-
water
7. patient stares ahead for 30 sec-
onds, ask tasking questions (name 5
fruits), check for nystagmus
8. peripheral can be torsional, horizon-
tal, and vertical. central is only one of
the three
9. gaze at screen, follow dot as it ap-
pears up, down, left right. check for
nystagmus
10. endpoint
name some tests in the VNG battery
how do you do the spontaneous nys-
tagmus test?
what is the difference between the
direction of peripheral vs central nys-
tagmus?
how is gaze nystagmus performed?
nystagmus can happen af-
ter gaze nystagmus test but is not
clinically significant (2-3 beats of nys-
tagmus that does not persist)
11. central, acute peripheral if gaze nystagmus is present, what
type of pathology is it for veritcal/tor-
sional nystagmus? what about in-
creased with denied fixation?
pf3
pf4

Partial preview of the text

Download VNG Testing Questions and Answers: A Comprehensive Review and more Exams Nursing in PDF only on Docsity!

1. otoscope, computer, goggles, patient table, tv, caloric machine, lighting

what is needed to do VNG?

  1. 48 hours how far in advance should patients be given pre-test instructions? 3. any medicine (other than heart/ BP), alcohol

what should you not take before VNG testing?

  1. 3 hours food/liquid should not be consumed before testing
  2. calibration what is the first step of VNG testing? 6. spontaneous and gaze nystagmus, saccades, smooth pursuit, optokinet- ic, headshake, positional, caloric, ice- **water
  3. patient stares ahead for 30 sec-** onds, ask tasking questions (name 5 **fruits), check for nystagmus
  4. peripheral can be torsional, horizon-** tal, and vertical. central is only one of **the three
  5. gaze at screen, follow dot as it ap-** pears up, down, left right. check for **nystagmus
  6. endpoint**

name some tests in the VNG battery

how do you do the spontaneous nys- tagmus test?

what is the difference between the direction of peripheral vs central nys- tagmus?

how is gaze nystagmus performed?

nystagmus can happen af- ter gaze nystagmus test but is not clinically significant (2-3 beats of nys- tagmus that does not persist)

  1. central, acute peripheral if gaze nystagmus is present, what type of pathology is it for veritcal/tor- sional nystagmus? what about in- creased with denied fixation?

12. alexander's law states that horizontal nystagmus increases its intensity as a patient gazes further in the firection of the past component of the nystagmus.

  1. true t/f: it is possible for gaze nystagmus to result in hyperfunction so the eyes beat toward the side of lesion (thus ignoring alexander's law)
  2. rebound nystagmus happens dur- ing gaze nystagmus when the eye moves to return to its primary posi- tion, and is normal if only a beat or two 15. patient looks for random appear- ance of object, watch for over/under- shoots and poor tracking

how do you perform the saccade test?

  1. saccade what test is this an example of? 17. patient follows an object as it glides horizontally across the screen, look for smoothness of eye movement

how do you perform smooth persuit?

  1. central lack of smooth persuit may be a pathology.
  2. smooth persuit what test is this an example of?

have patient lay in various positions and check for nystagmus with and without fixation

  1. 51, 23 warm calorics are performed at degrees celcius, and cool calorics are performed at degrees cel- cius
  2. left beating nystagmus expected result of putting cool air in the right ear is what?
  3. right beating nystagmus expected result of putting warm air in the right ear is what?
  4. false (only use air) t/f: you can use water for caloric test- ing on a surgical ear after clearance from physician
  5. 30 for caloric testing, the patient's head must be elevated degrees
  6. peripheral, 20% caloric testing that results in un- even contribution of left and right eyes is indicative of what pathology? what percentage is considered sig- nificant?
  7. 27, central directional preponderance occurs when there is an asymmetry of greater than % which results in beating one direction significant- ly stronger. this is indicative of what pathology?