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ability to recieve adn process stimuli through the sensory organs
sensation
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ability to experience, recognize, organize, and interpret sensory stimuli
perception
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intellectual ability to think
cognition
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includes the elements of memory, judgement, and conclusion
cognition
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sensation, perception and cognition are what types of functions
neurological
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the CNS and SNS purposes
- conduct response
- collect stimuli
- transport stimuli
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ascending pathways that transmit sensory impulses to the brain
afferent nerve pathways
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descending pathways that send sensory impulses to the brain
efferent nerve pathways
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state of awareness of self, others, and the surrounding environment
consciousness
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primary component of consciousness
arousal, and awareness
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state of wakefulness and alertness
arousal
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capacity to percieve sensory impressions and react appropriatly through thoughts and actions
awareness
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essential element of awareness
orientation
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perception of self in relation to the surrounding environment
orientation
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3 bones of the middle ear
- malleus (hammer)
- incus (anvil)
- stapes (stirrup)
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mentally confused state in which the persons awareness of time, place, situation and self is impaired
disorientation
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change in the perception of sensory stimuli affects all 5 senses
sensory deficiet
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state of reduced sensory input from the internal or external environement manifested by alterations in sensory perception
sensory deprivation
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state of excessive and sustained multisensory stimulation menifested by behavior or change and perceptual distortion
sensory overload
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indicates an inability of the sound waves to reach the inner ear. caused by wax build up or blockage
conductive hearling loss
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diseased portion of the eighth cranial nerve
sensorineural hearing loss
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sensorineural hearing loss associated with aging
presbycusis
-
the only treatment for cataract
surgical removal of lens
-
tranquilizers often given to reduce anxiety when recieving injections around the face
-
preoperative medication used to prepare the eye for surgery
- cyclopegic (paralyzes cilary muscle)
- mydriatic (dilates th epupil
-
what happens if glaucoma continues over a long period of time
blindness
-
gradual rise in IOP
chronic open angle glaucoma
-
attacks of sudden increase of IOP and requires surgical procedure
acute closed angle glaucoma
-
surgical intervention to fasclitate drainage of the aqueos humor is called
iridectomy
-
referred to as hordeolum, inflammation of an eyelash
stye
-
treatment for stye
warm compress and antibiotic ointment
-
-
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astigmatism
blurred vision
-
inability of the eyes to focus in the same direction
strabismus
-
revokes an image of total darkness
blindness
-
loss of central vision
macular degeneration
-
sense of taste that serves as a protector against rotten food
gustation
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serves as a guardian from danger
olfactory (smell)
-
can the body regenerate olfactory cells?
NO
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where are receptors for sense of smell located
roof of nasal cavity
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touch receptors are located?
everywhere
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