Vestibular System Quiz
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Questions and Answers

Where is the macula of the utricle located?

  • On a vertical layer
  • At the base of the semicircular canals
  • In the bulged bottom part of the canals
  • On a horizontal planar layer (correct)

Which part of the vestibular system is important in stabilizing head and body posture?

  • Otolith organs (correct)
  • Semicircular canals
  • Supporting cells
  • Vestibular hair cells

What is the function of the otolith organs?

  • Processing sensory information from self-motion, head position and spatial orientation
  • Linear acceleration/deceleration & static head position/angle relative to the gravitational axis (correct)
  • Rotational acceleration/deceleration
  • Stabilizing head and body posture

Where are the three semicircular canals (SCC) located?

<p>Inner ear structure: labyrinth (A)</p> Signup and view all the answers

What is the location of the macula of the saccule?

<p>On a vertical layer (C)</p> Signup and view all the answers

What is the function of the semicircular canals (SCC)?

<p>Rotational acceleration/deceleration (B)</p> Signup and view all the answers

Where is the sensory epithelium located?

<p>In the utricle and saccule (otolith organs) as macula (C)</p> Signup and view all the answers

What is the function of the gelatinous cupula in the macula of the saccule and utricle?

<p>To detect linear acceleration and head tilts (B)</p> Signup and view all the answers

What is the role of otoliths in the vestibular system?

<p>To add mass and move with gravity, aiding in the detection of linear acceleration (B)</p> Signup and view all the answers

What is the function of the crista within the semicircular canals?

<p>To detect rotational movements (B)</p> Signup and view all the answers

Select the correct statement on vestibular system.

<p>Vestibular sensory epithelia can be found in macula and crista (B)</p> Signup and view all the answers

Select the correct function of otoliths or otoconia

<p>Enhance the movement sensing by hair cells (A)</p> Signup and view all the answers

Select the correct statement on vestibular pathway and body balance control

<p>Vestibulo-spinal reflex adjusts muscles in the trunk and limbs to maintain body posture balance (D)</p> Signup and view all the answers

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