RNSG 1430 exam 2 - functional ability
and sensory perception Questions &
Answers
Sensory Perception (S/P) - ANSWERSreactions to external stimuli which can be visual,
auditory, olfactory, tactile and gustatory.
Sensory Perception - attribute - ANSWERScapacity to perform actual/required activities
S/P antedecents - ANSWERS- developmental milestones
- acquisitioned of skills
-learning
- perceived ability
-integration of neural/endocrine/musculoskeletal capacity
- metabolic manifestation to provide energy (Krebs cycle)
S/P negative consequences - ANSWERS-further disability
- increased dependence
-increased use of Health Services
-depression <=> stress
What are the 2 primary components of sensory perception? - ANSWERSSensation and
perception or reception and perception.
(S/P) where does the interpretation of sensory experience occur? - ANSWERScranial
nerves - reticular activating system (RAS) - hypothalamus to medulla = arousal.
, (S/P) safety considerations for pts with sensory perception deficits? - ANSWERS-
assess how the patient is coping then develop a care plan - are they able to
compensate for the deficit?
-Illness and hospitalization may threaten a patient's usual adaptive patterns and require
new self-care abilities. Patients with evolving deficits will require assistance with coping
and learning to compensate skillfully.
(S/P) describe health promotion teaching to minimize risk of S/P deficits. - ANSWERS
3 examples of alterations of S/P - ANSWERS-sensory deficit: change in
reception/perception
-sensory deprivation: reduced sensory input (Int/ext) (due to illness, trauma, or isolation)
-sensory overload: excessive sustained, and unmanageable multisensory stimulation
eye injuries/conditions that are emergent and can lead to vision loss: - ANSWERS-
corneal abrasion
-penetrating/perforating trauma
-retina detachment: caused by aging or eye injury (star fish image comparison)
Macular Degeneration Definition - ANSWERSage-related central loss of vision that
affects the macula of the eye
2 types of age related macular degeneration - ANSWERS1. exudative (wet): sudden
visual loss due to leakage of fluid/blood due to abnormal vessel formation under retina
2. nonexudative (dry): most common, gradual blockage in retinal capillary arteries -
macula becomes ischmemic and necrotid due to lack of retinal cells
clinical manifestations of age-related MD (AMD) - ANSWERS-dry: pt have no
symptoms,
drusen - white stpots on eye.
-wet:more damaging to the vision
traight lines appear crooked and distorted or that letters in words appear broken..
decrease intensity or brightness of colors, overall haziness in overall vision
Wet age-related macular degeneration (AMD) pharmacological theory - ANSWERSno
effective treatment for the dry AMD,
wet:laser therapy to seal leaking blood vessels.
occular injections - endothelial growth factor inhibitor, bevacizumab, or ranibizumab
MD 3 assessments for alterations - ANSWERS
Cataracts - ANSWERSclouding of the lens, opacity in the lens of an eye
Cataracts - clinical manifestations - ANSWERSClouded, blurred or dim vision
Increasing difficulty with vision at night
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