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Integrative NSC Exam 2 questions with actual answers.
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Integrative NSC Exam 2 questions with actual answers.

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  • August 28, 2024
  • 12
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • integrative nsc exam 2 questions with actual answe

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  • NSCA Certified Performance and Sport Scientist
  • NSCA Certified Performance and Sport Scientist

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Integrative NSC Exam 2 questions with
actual answers.
vestibular system is made up of ANS - -semicircular canals

-otolith organs (saccule & utricle)



linear motion is accounted for by

head rotation motion is accounted for by ANS - otolithic organs

semicircular canals



Hair cells in the 3 organs (saccule, utricle & canals) are... ANS - direction selective



Where is the cochlea located? ANS - organ of corti



Where is the otolith located? ANS - macula



Hair cells in the vestibular system are housed ANS - -macula (otoliths)

-cupula (semicircular canals)



What linear movement does utricle respond to ANS - horizontal movement (aka backward and
forwards)



hair cells in utricular macula are arranged by ANS - tallest cilla mirror each other



hair cells in saccular macula are arranged by ANS - smallest cilla mirror each other



What separates macula into halves ANS - striola



What head acceleration movement does the saccula respond to ANS - vertical movement

, Why do half hair cells depolarize and during backward acceleration the other half hyperpolarizes ANS -
striola splits the macula into halves

same in utricle and saccule



What type of active are vestibular neurons? ANS - tonically active (aka always active)



When cilla move toward the tallest to shortest they are ... ANS - depolarized



When cilla move away from tallest to shortest they are... ANS - hyperpolarized



What enters the cell leading to opening of voltage gated calcium channels to enter ANS - potassium



How does the endolymph flow in semicircular canals ANS - in the opposite direction of acceleration
stimulus



When angular acceleration goes to the right endolymph acceleration flows to the __ and causes the __
to fire ANS - left

right vestibular nerve



Describe the purpose of the otoconia ANS - provides mass and aids gravity by mechanically displacing
hair cells



What is the structure at the base of the semicircular canal (ampulla) that triggers hair cell activation due
to ANS - the cupula

endolymph displaces the cupula from acceleration



Hair cells in striola continuously fire during _____ head tilt and only stop once tilt ___ ANS - constant
forward head tilt; stops (resumes to standard position)



Tectorial membrane is important for ANS - audition

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