N336 Sensory-PerceptualFunction student

N336 Sensory-PerceptualFunction student - Jacqueline Tulley...

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Unformatted text preview: Jacqueline Tulley, RN, MSN, ACNP N336 A. A person will stop responding to a sensory experience when the same stimulus is received over and over again B. Receptor cells are now unable to transmit nerve impulses to higher centers within the brain C. If an individual attempts to react to every stimulus within the environment, sensory alterations will occur. D. Any factor that lowers consciousness may impair perception Sensory reception Visual Tactile Auditory Olfactory Gustatory  Reticular activating system (RAS) Responsible for stimulus arousal and wakefulness A. “Older people have an increased sensitivity to glare.” B. “Older people should avoid driving at dusk or at night because of impaired night vision.” C. “Reduced depth perception can create a special danger for an older person walking down stairs.” D. “Because older adults have reduced central vision, they are at greater risk for an accident while driving.” A decrease or absence of stimuli from the RAS to the cerebrum results in the brain’s becoming inactive or useless  Decreased stimuli causes a person to be more acutely aware of environment and/or perceive it in a disordered manner Develops when either environmental or internal stimuli...
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N336 Sensory-PerceptualFunction student - Jacqueline Tulley...

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