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 D
Explanation
Choice A rationale
Scheduled voiding relies on the patient’s ability to control bladder function, which is ineffective in cases of a flaccid bladder caused by spinal cord injuries.
Choice B rationale
External catheters, such as condom catheters, are suited for patients with partial bladder control but are not appropriate for flaccid or atonic bladder management.
Choice C rationale
Indwelling urinary catheters may be used short-term but pose higher risks of urinary tract infections and are not optimal for long-term management of flaccid bladder.
Choice D rationale
Intermittent catheterization is the preferred method for managing flaccid bladder, ensuring complete bladder emptying while minimizing infection risks compared to indwelling catheters.
Correct Answer is B
Explanation
Choice A rationale
Bipolar disorder is an approved indication for valproic acid use. It helps stabilize mood swings, particularly mania, making it a suitable treatment rather than a contraindication.
Choice B rationale
Pre-existing liver disease contraindicates valproic acid because it increases the risk of hepatic toxicity and liver failure. Liver function must be closely monitored in all patients receiving this drug.
Choice C rationale
Asthma is not affected by valproic acid use as the drug targets neurological pathways and does not impact respiratory or bronchial systems significantly.
Choice D rationale
Valproic acid is used to treat migraines and seizures. It prevents the occurrence of severe headaches through stabilization of neuronal activity, making this an appropriate rather than contraindicated use. .
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