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WGU D444 EXAMS QUESTIONS AND CERTIFIED
ANSWERS WITH CERTIFIED RATIONALES
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Q1. Which follow-up finding indicates improvement after antibiotics for
conjunctivitis?
a. Red, swollen conjunctiva
b. Purulent discharge
c. Pink, moist conjunctiva
d. Yellow crusting
✔️ Correct Answer: C
Rationale:
Pink, moist conjunctiva is the expected normal appearance after infection resolves.
Redness and purulent discharge indicate active infection. Yellow crusting suggests
ongoing inflammation or inadequate treatment.
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Q2. What is ptosis?
a. Involuntary eye movement
b. Drooping of the eye
c. Double vision
d. Sensitivity to light
✔️ Correct Answer: B
Rationale:
Ptosis refers to drooping of the eyelid, which can be caused by neurological conditions,
muscle weakness, or aging. It may obstruct vision and require surgical correction.
Q3. Which condition increases the risk of blindness?
a. Hypotension
b. Hypoglycemia
c. Hyperglycemia
d. Hyperthyroidism
✔️ Correct Answer: C
Rationale:
Chronic high blood glucose (hyperglycemia) damages retinal vessels, leading to diabetic
retinopathy, which is a leading cause of blindness in adults. Tight glycemic control
reduces this risk.
Q4. Which test assesses color perception?
a. Snellen chart
b. Amsler grid
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c. Ishihara test
d. Tonometry
✔️ Correct Answer: C
Rationale:
The Ishihara test identifies color vision deficiencies using plates with colored dots. The
Snellen chart (Option A) assesses visual acuity. The Amsler grid (Option B) detects macular
problems. Tonometry (Option D) measures intraocular pressure.
Q5. Which visual symptom in a 75-year-old is most concerning?
a. Gradual blurring of vision
b. Difficulty reading fine print
c. Sudden flashes of light
d. Mild eye fatigue
✔️ Correct Answer: C
Rationale:
Sudden flashes of light indicate retinal detachment, a medical emergency requiring
immediate evaluation. Gradual vision changes are more typical of age-related conditions
like cataracts or presbyopia.
Q6. Match visual diagnostic tests:
a. Amsler grid → Refractive error
b. Refractometry → Macular problems
c. Fluorescein angiography → Retinal blood flow
d. Perimetry → Central and peripheral vision
✔️ Correct Answer: C
Rationale:
Fluorescein angiography evaluates retinal blood flow. Amsler grid detects macular
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problems. Refractometry measures refractive error. Perimetry assesses visual fields (central
and peripheral vision).
Q7. What discharge instruction is important for bacterial conjunctivitis with
contacts?
a. Clean contacts with water
b. Continue wearing contacts as usual
c. Discard all opened/used lens products
d. Soak contacts in saline solution
✔️ Correct Answer: C
Rationale:
Discarding all opened/used lens products prevents reinfection. Bacterial conjunctivitis is
highly contagious, and contact lenses can harbor pathogens that cause recurrence.
Q8. How should a visually impaired postoperative patient be admitted?
a. Arrange furniture to maximize space
b. Note furniture placement and maintain consistency
c. Move furniture to accommodate equipment
d. Leave furniture arrangement to the patient
✔️ Correct Answer: B
Rationale:
Noting furniture placement and maintaining consistency prevents falls and confusion.
Visually impaired patients rely on spatial memory to navigate safely.
Q9. Teaching for chronic visual impairment includes? (Select all that apply)