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vestibular system Flashcards

(48 cards)

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1
Q

What is the primary function of the vestibular system?

A

To maintain balance and spatial orientation.

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2
Q

True or False: The vestibular system is located in the inner ear.

A

True

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3
Q

What are the two main structures of the vestibular system?

A

The semicircular canals and the otolith organs.

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4
Q

Fill in the blank: The vestibular system detects changes in _____ and _____.

A

head position; motion

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5
Q

What role do the semicircular canals play in the vestibular system?

A

They detect rotational movements of the head.

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6
Q

Which part of the vestibular system detects linear acceleration?

A

The otolith organs.

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7
Q

Multiple Choice: Which of the following is NOT a function of the vestibular system? A) Balance B) Hearing C) Spatial orientation D) Coordination

A

B) Hearing

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8
Q

True or False: The vestibular system works independently of the visual system.

A

False

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9
Q

What is the name of the fluid located within the semicircular canals?

A

Endolymph.

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10
Q

What is the primary sensory cell type found in the vestibular system?

A

Hair cells.

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11
Q

Fill in the blank: The _____ nerve transmits signals from the vestibular system to the brain.

A

vestibular

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12
Q

Which part of the brain processes information from the vestibular system?

A

The cerebellum and brainstem.

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13
Q

Multiple Choice: What condition is characterized by a false sense of motion? A) Vertigo B) Tinnitus C) Acrophobia D) Meniere’s Disease

A

A) Vertigo

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14
Q

True or False: The vestibular system can adapt to changes in the environment.

A

True

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15
Q

What is the role of the utricle and saccule in the vestibular system?

A

They detect head position relative to gravity.

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16
Q

Fill in the blank: The _____ reflex helps maintain balance during head movement.

A

vestibulo-ocular

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17
Q

What is the primary cause of motion sickness related to the vestibular system?

A

Conflicting signals between the vestibular system and visual system.

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18
Q

Multiple Choice: Which disorder is associated with abnormal fluid buildup in the inner ear? A) BPPV B) Meniere’s Disease C) Labyrinthitis D) Acoustic Neuroma

A

B) Meniere’s Disease

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19
Q

True or False: The vestibular system can influence eye movements.

A

True

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20
Q

What is Benign Paroxysmal Positional Vertigo (BPPV)?

Study These Flashcards
A

A condition caused by dislodged otoliths in the semicircular canals.

21
Q

Fill in the blank: The vestibular system contributes to _____ and _____.

Study These Flashcards
A

posture; equilibrium

22
Q

What is the function of the vestibular apparatus?

Study These Flashcards
A

It detects changes in head position and motion.

23
Q

Multiple Choice: Which structure is NOT part of the vestibular system? A) Cochlea B) Semicircular Canals C) Utricle D) Saccule

24
Q

True or False: The vestibular system is involved in proprioception.

25
What does the term 'otolith' refer to?
Small crystals in the otolith organs that help detect gravity and acceleration.
26
Fill in the blank: The _____ reflex stabilizes images on the retina during head movement.
vestibulo-ocular
27
What type of movements do the horizontal canals primarily detect?
Rotational movements.
28
Multiple Choice: What is a common symptom of vestibular disorders? A) Hearing loss B) Nausea C) Tinnitus D) All of the above
D) All of the above
29
True or False: The vestibular system is essential for maintaining upright posture.
True
30
What is the role of the ampulla in the semicircular canals?
It houses the sensory hair cells that detect rotational movement.
31
Fill in the blank: The vestibular system helps regulate _____ during movement.
balance
32
What is the primary function of the saccule?
To detect vertical acceleration.
33
Multiple Choice: Which of the following is a test for vestibular function? A) MRI B) VNG C) CT Scan D) EEG
B) VNG
34
True or False: The vestibular system is not involved in spatial awareness.
False
35
What is the primary pathway for vestibular information to the brain?
The vestibular pathways project to the vestibular nuclei in the brainstem.
36
Fill in the blank: The _____ canal is oriented vertically and detects pitch movements.
anterior
37
What is the impact of aging on the vestibular system?
Aging can lead to decreased function and balance issues.
38
Multiple Choice: Which of the following is a common vestibular disorder? A) Glaucoma B) BPPV C) Astigmatism D) Cataract
B) BPPV
39
True or False: The vestibular system is responsible for hearing.
False
40
What do the otolith organs contain that helps detect motion?
Calcium carbonate crystals.
41
Fill in the blank: The _____ system works closely with the vestibular system to maintain balance.
visual
42
What is the purpose of vestibular rehabilitation therapy?
To help patients regain balance and reduce dizziness.
43
Multiple Choice: Which type of head movement is detected by the posterior canal? A) Yaw B) Pitch C) Roll D) None of the above
C) Roll
44
True or False: The vestibular system can influence emotional responses.
True
45
What is the relationship between the vestibular system and the autonomic nervous system?
The vestibular system can influence autonomic functions like heart rate and blood pressure.
46
Fill in the blank: The _____ reflex is important for stabilizing vision during head movements.
vestibulo-ocular
47
What is the main role of the vestibular nuclei?
To integrate sensory input from the vestibular system and coordinate motor responses.
48
Multiple Choice: Which of the following is a sign of vestibular dysfunction? A) Dizziness B) Coordination problems C) Imbalance D) All of the above
D) All of the above

physiology (5 decks)

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