A 64-year-old client is prescribed bifocals to correct myopia and presbyopia.
To evaluate the effectiveness of the lenses, the nurse will assess the client for:
Symmetry of extraocular movement.
Both near and distant vision.
Cloudiness in the lens of the eye.
Intraocular pressure changes.
The Correct Answer is B
Choice A rationale
Symmetry of extraocular movements assesses cranial nerve function but does not relate to the corrective purpose of bifocals, which is addressing near and distant vision issues caused by presbyopia and myopia.
Choice B rationale
Bifocals correct presbyopia and myopia by combining lenses for near and distant vision in one frame. Effectiveness is assessed by evaluating improvements in both visual ranges, ensuring accommodation and refraction are properly corrected.
Choice C rationale
Cloudiness in the lens indicates cataracts, which bifocals cannot correct. Cataracts require surgical intervention, making this assessment irrelevant to determining bifocal lens effectiveness for presbyopia and myopia.
Choice D rationale
Intraocular pressure changes relate to glaucoma, not refractive issues like myopia or presbyopia. Monitoring for glaucoma requires tonometry, independent of bifocal lens evaluation.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale
A ketogenic diet includes high fats, moderate protein, and low carbohydrates, with unsaturated fats emphasized for health. This metabolic state reduces seizure frequency by enhancing ketone production as an alternative energy source for the brain.
Choice B rationale
Increasing carbohydrates disrupts ketosis, the fundamental principle of the ketogenic diet. This would counteract the therapeutic goal of reducing seizure activity by providing glucose as a primary brain fuel instead of ketones.
Choice C rationale
While omega-3 oils support brain health, the ketogenic diet focuses on low carbohydrate intake and high fat. Moderate protein intake is essential, but excess omega-3 emphasis neglects the diet’s structure.
Choice D rationale
Foods high in sodium and carbohydrates contradict the ketogenic diet's principles. Elevated carbohydrate intake halts ketosis, while excess sodium intake is unrelated to ketogenic mechanisms or seizure management.
Correct Answer is C
Explanation
Choice A rationale
Childhood memory recall reflects cognitive functioning but is unrelated to the patient's rehabilitation involvement, which focuses on regaining lost functional capacities following injury. Such a goal lacks immediate functional relevance.
Choice B rationale
Returning to work as a corporate attorney may be an eventual aim but depends on higher cognitive recovery levels and is too specific. Early rehabilitation outcomes focus on participation in the recovery process.
Choice C rationale
Active participation indicates readiness and willingness to engage in therapies essential for regaining lost functions. It aligns with goals for a transition from acute care to rehabilitation emphasizing functional improvement.
Choice D rationale
Motor coordination improvements require therapy timelines extending beyond two weeks. Such a rigid short-term goal undermines individualized rehabilitation focusing on measurable progress over more realistic durations.
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