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AUD 656: EXAM 1 2024/2025 WITH 100% ACCURATE SOLUTIONS
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AUD 656: EXAM 1 2024/2025 WITH 100% ACCURATE SOLUTIONS
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AUD 656: EXAM 1 2024/2025 WITH 100%ACCURATE SOLUTIONS
- Vestibular end organs (Peripheral Vestibular Apparatus)
- Visual System (eyes)
- Somatosensory system (Proprioceptive system: Muscles, tendons,
joints) - Precise Answer ✔✔What three sensory systems provide input
to maintain balance, and what is their role?
Detect head motion and send information to the brain about movement -
Precise Answer ✔✔The role of vestibular end organs (Peripheral
Vestibular Apparatus)
Provides information about the surround environment and orientation of
the body - Precise Answer ✔✔The role of Visual system (eyes)
Detects the position and movement of the body parts, contributing to
balance and posture - Precise Answer ✔✔The role of somatosensory
system (Proprioceptive system)
Perception of movement: Understanding how the body moves in space.
Coordination of reflexive movements: Adjusting posture and eye
movements to maintain balance. - Precise Answer ✔✔The CNVC in the
brain integrates input from the vestibular, visual, and somatosensory
systems. The CNS processes this information for:
,The balance system sense head motion and body position through the
interaction of the vestibular, visual, and somatosensory systems. It
constantly updates the brain with information about the orientation of
the body in space to maintain equilibrium (steady posture) and gaze
stability (keeping the eyes focused on a target during head movement). -
Precise Answer ✔✔How does the balance system work to maintain
equilibrium and gaze stability?
- Peripheral vestibular apparatus
- Central vestibular system
- Vestibulo-ocular reflex (VOR)
- Vestibulocollic reflex (VCR)
- Vestibulospinal reflex (VSR) - Precise Answer ✔✔What are the
primary components of the vestibular system?
Detects head motion and transduces it into neural signals - Precise
Answer ✔✔The function of Peripheral vestibular apparatus
Receives and integrates sensory input and coordinates reflexes - Precise
Answer ✔✔The function of Central vestibular system
Generates eye movements in response to head motion to maintain stable
vision; keeps vision stable during head movements - Precise Answer
✔✔The function of Vestibulo-ocular reflex (VOR)
, Control neck muscles to stabilize the head in response to vestibular input
- Precise Answer ✔✔The function of Vestibulocollic reflex (VCR)
Controls body posture to prevent falls; helps maintain balance and
posture - Precise Answer ✔✔The function of Vestibulospinal reflex
(VSR)
Five peripheral vestibular organs: three semicircular canals (SCCs) and
two otolithic organs - Precise Answer ✔✔What structures are housed
within the vestibular labyrinth
Petrous - Precise Answer ✔✔The vestibular labyrinth is housed in the
______ portion of the temporal bone.
Three Semicircular Canals (SCCs):
- Anterior/Superior SCC
- Posterior SCC
- Horizontal/Lateral SCC
Two Otolithic Organs:
- Utricle
- Saccule - Precise Answer ✔✔What are the five sensory structures of
the peripheral vestibular apparatus
Detects movement in the vertical plane (up and down) - Precise Answer
✔✔How does Anterior/Superior SCC contribute to detecting head
movement?
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