A client who is taking sildenafil 50 mg by mouth (PO) as needed (PRN), reports experiencing visual changes to the practical nurse (PN). Which instruction should the PN give to the client?
Report the symptoms to the healthcare provider immediately.
Instill prescribed eye drops now and then three times a day.
Encourage wearing dark glasses when outside to protect the eyes.
Monitor for visual changes each morning using an Amsler grid tool.
The Correct Answer is A
Choice A rationale
Sildenafil, commonly known as Viagra, is a medication used to treat erectile dysfunction and pulmonary arterial hypertension. One of the side effects of sildenafil is visual changes. These changes can be temporary or long-lasting, and can potentially be a sign of a serious condition known as non-arteritic anterior ischemic optic neuropathy (NAION), which can lead to permanent vision loss. Therefore, it is crucial for the client to report these symptoms to the healthcare provider immediately for further evaluation and management.
Choice B rationale
While eye drops can be used to treat various eye conditions, they are not typically used to address visual changes caused by sildenafil. Therefore, instilling prescribed eye drops would not be the appropriate response in this situation.
Choice C rationale
Wearing dark glasses when outside can help protect the eyes from sun damage, but it would not address the underlying issue of visual changes caused by sildenafil. Therefore, this would not be the appropriate instruction for the practical nurse to give to the client.
Choice D rationale
The Amsler grid tool is used to detect vision problems resulting from damage to the macula (the central part of the retina) or the optic nerve. However, this tool would not be useful in this context as the visual changes are a side effect of sildenafil. Therefore, monitoring for visual changes each morning using an Amsler grid tool would not be the appropriate instruction for the practical nurse to give to the client.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale
Diminished urinary urgency is an expected outcome of oxybutynin treatment, as the
medication works by relaxing the muscles of the bladder.
Choice B rationale
Reduced urinary frequency is another expected outcome of oxybutynin treatment.
Choice C rationale
Decreased urinary output is not a typical effect of oxybutynin. In fact, oxybutynin is used to
manage symptoms of an overactive bladder, which include frequent urination. Therefore, if the
PN observes decreased urinary output, it could indicate a problem such as urinary retention,
which should be reported to the charge nurse.
Choice D rationale
Less frequent urinary incontinence is an expected outcome of oxybutynin treatment.
Correct Answer is B
Explanation
Choice A rationale
Montelukast does not increase the production of mucus in the lungs. In fact, it helps to reduce inflammation and may be used to prevent asthma attacks.
Choice B rationale
Montelukast is a leukotriene modifier that helps to reduce inflammation and prevent asthma attacks and exercise-induced bronchoconstriction. It works by blocking the action of leukotriene D4 in the lungs resulting in decreased inflammation and relaxation of smooth muscle. This prophylactic limitation of the inflammatory response to allergens is a key function of montelukast.
Choice C rationale
Montelukast does not contract the smooth muscles located in the respiratory tract. Instead, it helps to relax the smooth muscles in the lungs, reducing inflammation and making it easier to breathe.
Choice D rationale
Montelukast does not directly repair damaged tissue in the base of the lungs. Its primary function is to prevent and manage symptoms of asthma and allergies by reducing inflammation in the airways.
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