WGU C475 OA- Care of the Older Adult Exam | Questions and Verified Answers| 100% Correct | 2023/ 2024 New Update

WGU C475 OA- Care of the Older Adult Exam | Questions and Verified Answers| 100% Correct | 2023/ 2024 New Update

WGU C475 OA- Care of the Older Adult
Exam | Questions and Verified Answers|
100% Correct | 2023/ 2024 New Update
QUESTION
What is the leading cause of vision loss among Americans aged 65 and older?
Answer:
Age-Related Macular Degeneration
QUESTION
Age-Related Macular Degeneration
Answer:

• Degenerative disease of the retina
• Causes progressive loss of vision in the center of the eye
• Dry and Wet types
  QUESTION
  Retina
  Answer:
  inner most posterior part of the eyeball receives images produced by the lens and consists of
  several layers – one of which contains rods and cones that are sensitive to light
  QUESTION
  dry type macular degeneration
  Answer:
• accounts for 90% of cases
• light-sensitive cells in the macula slowly break down, leading to a gradual loss of central vision

QUESTION
wet type macular degeneration
Answer:

• caused by growth of abnormal blood vessels under the macula
  QUESTION
  Diabetic Retinopathy
  Answer:
• Condition in which diabetes causes blood vessels that feed the retina of the eye to break
• May progress through 4 stages: Mild nonproliferative, Moderate nonproliferative, Severe
  nonproliferative, Proliferative
  QUESTION
  More than __ of Americans diagnosed with diabetes have some sort of diabetic
  retinopathy
  Answer:
  30%
  QUESTION
  What is the most common cause of vision loss among people with diabetes?
  Answer:
  Diabetic Retinopathy
  QUESTION
  What is the leading cause of blindness among working-age adults?

Answer:
Diabetic Retinopathy
QUESTION
Glaucoma
Answer:

• Caused by build-up of pressure in the eye that damages the optic nerve which transmits
  impulses to the brain that create sight
• Affects side/peripheral vision causing the edges of the visual field to fade.
• Causes tunnel vision
  QUESTION
  What are the clinical signs of low vision?
  Answer:
• Reduced distance and near acuity
• Reduced field of vision
• Reduced contrast sensitivity
• Reduced color recognition
• Glare sensitivity
• Scotomas
  QUESTION
  What interventions can be used to help individuals with low vision?
  Answer:
• Magnification
• lighting
• contrast
• Assistive technology
• decreased environmental stimuli
• organization

QUESTION
Visual Perceptual Processing: Identification of Oculomotor Control
Answer:

• Enables quick and accurate eye movements
• Purpose: to achieve and maintain foveation of an object
• Ensures that the object that the person wishes to view is focused on the fovea of both retinas
  QUESTION
  Fovea
  Answer:
  a small depression in the retina of the eye where visual acuity is the highest
  QUESTION
  Describe the treatment used for oculomotor deficits
  Answer:
  Tracking exercises
  QUESTION
  Visual Perceptual Processing: Identification of Visual Fields
  Answer:
  Register visual scene and ensure CNS receives complete visual information
  QUESTION
  Hemianopsia
  Answer:
• visual field loss
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