Nokea
Which term describes the process when the lens of the eye changes its curvature to focus on the retina?
- A. Accommodation
- B. Constriction
- C. Convergence
- D. Refraction
Correct Answer: A
Rationale: The ability of the lens to alter its curvature as it focuses on the retina is accommodation.
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For which reason will the nurse encourage a group of teenagers to protect their eyes with dark sunglasses while using a UV lamp?
- A. The lamp can cause cataracts.
- B. The lamp can cause presbycusis.
- C. The lamp can cause keratitis.
- D. The lamp can cause ectropion.
Correct Answer: A
Rationale: The proteins in the lens of the eye are vulnerable to UV light and can develop cataracts.
Which finding is a sign of acute angle closure glaucoma (AACG)?
- A. Large fixed pupil
- B. Nystagmus
- C. Bluish color in sclera
- D. Drooping eyelid
Correct Answer: A
Rationale: Signs of AACG would be eye pain, large fixed pupil with reddened sclera, decreased vision, nausea, and vomiting.
The nurse expects to see which aspect in the plan of care following a tympanoplasty?
- A. Elevating head of bed with operative side facing upward
- B. Enforcing bed rest for 72 hours
- C. Frequent turning, coughing, and deep breathing
- D. Continuous irrigation of the ear canal with antibiotic solutions
Correct Answer: A
Rationale: Postoperative management for patients who have had a tympanoplasty consists of bed rest until the next morning. The head of the bed is elevated 40 degrees, and the operative side faces upward.
Which advice will the nurse provide the 20 year old who has been put on cefaclor for a resistant otitis media?
- A. Store suspension at room temperature.
- B. Discontinue drug when symptoms abate.
- C. Avoid alcoholic beverages.
- D. Take with meals only.
Correct Answer: C
Rationale: Drinking alcohol is discouraged while on cefaclor. The drug should be taken in its entirety and stored in the refrigerator. The drug can be taken with or without meals.
Which report made by a 64-year-old patient during a health interview would alert the nurse to the possibility of cataracts?
- A. Pain in the eyes
- B. Difficulty driving at night
- C. Loss of peripheral vision
- D. Dry eyes
Correct Answer: B
Rationale: Blurring of vision and difficulty driving at night is often the first subjective symptom reported by a patient who has cataracts.