Understanding Vestibular Disorders

Understanding Vestibular Disorders

Assessment

Interactive Video

Biology, Science

10th - 12th Grade

Hard

Created by

Aiden Montgomery

FREE Resource

The video tutorial covers the Dix-Hallpike test, highlighting the latency and symptoms of vertigo and nystagmus. It explains vestibular neuritis and Alexander's Law, noting how eye movements can indicate the condition. The suppression of nystagmus through fixation and the presence of torsional components are discussed. Finally, the video explores central causes of nystagmus, emphasizing direction changes and potential causes like ketamine.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the term used to describe the delay before symptoms appear in the Dix-Hallpike maneuver?

Interval

Pause

Latency

Duration

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the Dix-Hallpike maneuver, what happens to the nystagmus and vertigo after about 15 seconds?

They intensify

They remain constant

They improve

They worsen

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary focus of the first section of the video?

Alexander's law

Dix-Hallpike maneuver

Central cause nystagmus

Suppression of nystagmus

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is challenging to observe in the second example of the Dix-Hallpike maneuver?

Vertical nystagmus

Torsional component

Latency period

Vertigo

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

According to Alexander's law, how does nystagmus change with eye movement in vestibular neuritis?

It increases in size

It decreases in size

It remains constant

It disappears completely

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which condition is associated with Alexander's law?

Dix-Hallpike maneuver

Torsional nystagmus

Vestibular neuritis

Central cause nystagmus

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What can suppress nystagmus in a patient with vestibular neuritis?

Loud noise

Closing eyes

Fixation on a point

Rapid movement

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