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","E"]
Explanation
Choice A rationale
Weekly appointments to change the catheter are unnecessary unless specifically indicated. Most urinary catheters are changed monthly or as needed based on physician's discretion or complications.
Choice B rationale
Sexual intimacy is possible with an indwelling urinary catheter if handled properly. Providing education on safe practices promotes normalcy and quality of life for the patient.
Choice C rationale
Wearing underwear is recommended to protect the catheter and minimize risk of contamination or accidental dislodgement. This information supports proper hygiene and comfort.
Choice D rationale
Regular emptying of the leg bag every 4 hours or more frequently prevents overfilling, which could lead to backflow and increased risk of urinary tract infections.
Choice E rationale
Foul-smelling, cloudy urine can indicate infection such as a urinary tract infection. Prompt reporting ensures early treatment and prevention of complications.
Correct Answer is B
Explanation
Choice A rationale
Ventriculostomies are inserted directly through the skull into the ventricles, not via the femoral artery. This method provides direct access to cerebrospinal fluid for drainage and pressure monitoring.
Choice B rationale
Ventriculostomies are placed to monitor intracranial pressure and drain excess cerebrospinal fluid, managing conditions like hydrocephalus or elevated intracranial pressure following brain injury or surgery.
Choice C rationale
An EEG monitors electrical brain activity but is unrelated to ventriculostomy placement. Ventriculostomy focuses on fluid drainage and pressure management, not on electrical diagnostic procedures.
Choice D rationale
Ventriculostomies carry a significant risk of infection due to the invasive nature of the procedure. Proper aseptic technique is critical to minimizing, not eliminating, the risk of infection.
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