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NUR 330 ( LATEST 2024 / 2025 ) EXAM 5 | GRADED A+ QUESTIONS AND ANSWERS (SOLVED)
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NUR 330 ( LATEST 2024 / 2025 ) EXAM 5 | GRADED A+ QUESTIONS AND ANSWERS (SOLVED)
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NUR 330 Exam 51. severe visual impairment
Answer
inability to read newsprint even with glasses
2. total blindness
Answer
no light perception and no usable vision
3. functional blindness
Answer
has some light perception but no usable vision
4. legal blindness
Answer
having central visual field acuity of 20/200 or less in the better eye with correction or a
peripheral visual field of 20 degrees or less (includes both functional and total blindness)
5. keratoconjunctivitis
Answer
fancy word for dry eyes; common in older adults; "sand in the eye"; typically worsens
throughout the day
pathophysiology
decreases in quality or quantity of the tear film treatment
artificial tears, ointments, closure of the lacrimal puncta
6. age related macular degeneration
,Answer
most common cause of irreversible central vision loss in people over age 60 in the US; dry or
wet
7. Dry AMD
Answer
most common form; close vision tasks become difficult; macular cells start to atrophy due to
accumulation of yellowish extracellular deposits in the retinal pigment epithelium called drusen;
progressive and painless
8. drusen
Answer
yellowish extracellular deposits in the retinal pigment epithelium
9. Wet AMD
Answer
more severe than other form; rapid onset; development of abnormal blood vessels in/near the
macula
blood vessels grow into the retinal epithelium instead of choroid; vessels leak and scar tissue
forms; begins as dry AMD
10. etiology of AMD
Answer
genetic, UV light exposure, hyperopia (farsightedness), smoking, light colored eyes, nutritonal
deficits (dark, green, leafy vegetables may help reduce risk)
11. clinical manifestations of AMD
Answer
blurred or darkened vision; scotomas (blind spots); metamorphopsia (distortion of vision)
12. scotomas
Answer
blind spot
, 13. metamorphosphia
Answer
distortion of vision
14. photodynamic light therapy
Answer
treatment of AMD; uses verteporfin and cold laser; can be activated by exposure to sunlight and
as a result the patient should avoid direct sunlight exposure for 5 days after treatment
15. treatment of dry AMD
Answer
inhibit epithelia growth factor
16. treatment of wet AMD
Answer
destroy abnormal blood vessels
17. functional hearing loss
Answer
may be caused by an emotional or psychological factor
18. tinnitus
Answer
perception of sound in the ears where no external source is present
19. conductive hearing loss
Answer
occurs when conditions in the outer or middle ear impair the transmission of sound through air
to the inner ear
20. presbycusis
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