__________ are hair cells with stereocilia that sense head position, head movement, and tells us if our body is in motion. Head movement and spinning is sensed by hair cells in the ___________. a. Mechanoreceptors; otolithic membrane b. Chemoreceptor; vestibule c. Mechanoreceptors; semicircular canals d. All of the above e. None of the above
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The first blank describes structures that are "hair cells with stereocilia that sense head position, head movement, and tells us if our body is in motion." These are characteristics of mechanoreceptors involved in the vestibular system. Show more…
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When you spin while sitting in a swivel chair with your eyes closed, you can sense this movement because the ______ is (are) stimulated. A. saccule B. semicircular ducts C. cochlea D. spiral organ E. utricle When the head rotates, endolymph in a semicircular duct lags behind, which causes the ________ to bend and trigger hair cells. A. otolithic membrane B. cupula C. macula D. utricle Sensory receptors must transduce all stimuli into __________ in order for the brain to perceive the sensation. A. action potentials B. mechanical energy C. chemical energy D. a modality E. nuclear energy
Adi S.
Which of the following situations is associated with movement and position in the human body? a. Statoliths in statocysts bend sensory hairs and trigger action potentials. b. If sensory hairs in the utricle are oriented horizontally and those in the saccule are oriented vertically, the person is lying down. c. When the head rotates, the endolymph in the semicircular canal pulls the cupula with it to activate sensory hair cells. d. Displacement of the utricle and saccule generates action potentials. e. If the body is spinning at a constant rate and direction, the cupula is displaced and action potentials are initiated.
Transduction in the vestibular apparatus is caused by: a. chemoreceptors b. thermoreceptors c. mechanoreceptors d. photoreceptors e. acceleroreceptors
James K.
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