A client who is taking sildenafil 50 mg PO PRN reports experiencing visual changes to the practical nurse (PN). Which instruction should the PN give to the client?
Monitor for visual changes each morning using an Amsler grid test
Instill prescribed eye drops now and then three times a day
Encourage wearing dark glasses when outside to protect the eyes
Report the symptoms to the healthcare provider (HCP) immediately
The Correct Answer is D
Choice A reason: Using an Amsler grid monitors macular degeneration, not sildenafil-related visual changes, which include color tinting or blurred vision due to PDE5 inhibition affecting retinal blood flow. This is not a standard monitoring tool for sildenafil side effects, making it inappropriate for this context.
Choice B reason: Instilling eye drops is irrelevant, as sildenafil’s visual changes are systemic, caused by its effect on retinal phosphodiesterase, not a local eye condition treatable with drops. No evidence supports eye drops for this side effect, making this choice incorrect and ineffective.
Choice C reason: Wearing dark glasses may reduce light sensitivity but does not address sildenafil’s visual side effects, like blue-green color distortion, caused by altered retinal signaling. This is a temporary, drug-induced effect, and glasses do not mitigate the underlying issue, making this choice inadequate.
Choice D reason: Reporting visual changes immediately is critical, as sildenafil can cause rare but serious effects like non-arteritic anterior ischemic optic neuropathy, impairing retinal blood flow. Prompt reporting allows the provider to assess severity, adjust dosing, or discontinue the drug to prevent permanent vision loss.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A reason: Explaining the medication’s purpose is important but does not address the inappropriate bedtime dosing. Diuretics increase urination, causing nocturia and sleep disruption. Administering as scheduled without review risks client discomfort, making this choice less appropriate than verifying timing.
Choice B reason: Reviewing the prescription with the charge nurse is critical, as bedtime diuretic administration causes nocturia, disrupting sleep. Diuretics, like hydrochlorothiazide, increase urine production, and morning dosing aligns with daily activity, minimizing nighttime disturbance, ensuring safe and effective administration timing.
Choice C reason: Withholding the medication until the next day delays treatment, risking conditions like edema or hypertension. Consulting the charge nurse allows timely clarification of dosing time, ensuring therapeutic benefits without sleep disruption, making this choice overly cautious and unnecessary.
Choice D reason: Administering the diuretic early without confirmation violates protocol, as the prescription specifies bedtime. Unilateral changes risk errors, and morning dosing requires provider approval. Reviewing with the charge nurse is safer, ensuring alignment with clinical intent while addressing sleep concerns.
Correct Answer is A
Explanation
Choice A reason: Restlessness, tachycardia, fever, and hypertension suggest serotonin syndrome, a life-threatening paroxetine side effect due to excessive serotonin. Withholding the dose and contacting the provider prevents further serotonin accumulation, allowing urgent assessment and intervention to stabilize the client’s neurological and cardiovascular status.
Choice B reason: A cooling blanket addresses fever but is not the first action for serotonin syndrome. Withholding paroxetine and consulting the provider are critical to stop the syndrome’s progression, as fever is a symptom, not the cause, making this choice secondary to halting the drug.
Choice C reason: Taking the client to a quiet area may reduce stimulation but does not address serotonin syndrome’s physiological cause. Paroxetine’s serotonin excess drives symptoms, requiring drug cessation and medical intervention, not just reassurance, as this condition can rapidly worsen, making this choice inadequate.
Choice D reason: Administering benzodiazepine and acetaminophen is premature without provider guidance, as serotonin syndrome requires specific treatments, like cyproheptadine. Paroxetine must be stopped first, and the provider consulted to confirm diagnosis and manage symptoms, making this choice unsafe and reactive.
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