CVT Vestibular System Anatomy & Physiology Techniques

Question 1

Which structure in the inner ear is primarily responsible for detecting rotational movement?

Accepted Answer

Semicircular canals

Answer

Cochlea

Answer

Utricle

Answer

Saccule

Question 2

What role does the vestibular nerve play in balance?

Accepted Answer

It transmits balance signals to the brain

Answer

It controls eye blinking.

Answer

It sends auditory information.

Answer

It regulates blood pressure.

Question 3

Which fluid fills the membranous labyrinth of the vestibular system?

Accepted Answer

Endolymph

Answer

Perilymph

Answer

Cerebrospinal fluid

Answer

Blood plasma

Question 4

What is the primary function of the otolith organs?

Accepted Answer

Sense linear movement and gravity

Answer

Detect sound waves

Answer

Control head tilting

Answer

Coordinate speech muscles

Question 5

Which cells in the vestibular system are responsible for detecting motion?

Accepted Answer

Hair cells

Answer

Glial cells

Answer

Neurons

Answer

Epithelial cells

Question 6

Which part of the brain processes vestibular input?

Accepted Answer

Brainstem and cerebellum

Answer

Frontal lobe

Answer

Occipital lobe

Answer

Corpus callosum

Question 7

Which movement activates the posterior semicircular canal?

Accepted Answer

Looking up or down

Answer

Horizontal head turns

Answer

Tilting the head sideways

Answer

Shaking the head 'no'

Question 8

What triggers depolarization in vestibular hair cells?

Accepted Answer

Motion toward the kinocilium

Answer

Movement away from the kinocilium

Answer

Chemical binding

Answer

Exposure to sound

Question 9

Why is the vestibulo-ocular reflex (VOR) important?

Accepted Answer

It stabilizes gaze during head motion

Answer

It enhances hearing.

Answer

It controls blinking rate.

Answer

It helps with taste perception.