The physician orders Salagen 10 mg po twice a day for dry eyes. The medication is supplied in 5-mg tablets. How many tablets will the nurse administer?
1 tablet
2 tablets
3 tablets
4 tablets
The Correct Answer is B
Choice A reason: One 5-mg tablet delivers 5 mg; this underdoses the 10 mg ordered, reducing salivation stimulation needed for dry eye relief.
Choice B reason: Two 5-mg tablets equal 10 mg; this matches the order, ensuring therapeutic cholinergic effect to increase tear production effectively.
Choice C reason: Three tablets (15 mg) overdose; excess pilocarpine risks side effects (e.g., sweating, bradycardia) without added benefit for dry eyes.
Choice D reason: Four tablets (20 mg) far exceed the dose; this could cause severe cholinergic toxicity, including respiratory distress, outweighing therapeutic intent.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A reason: Rescheduling dismisses the patient’s fear; it delays therapy without addressing misconceptions, missing a chance to educate and proceed with migraine relief.
Choice B reason: Questioning prior explanation may shame the patient; it doesn’t clarify biofeedback’s non-invasive nature, failing to reduce anxiety about shocks.
Choice C reason: Explaining no shocks and describing biofeedback as monitoring reassures scientifically; it corrects fears, aligning with its role in stress-related migraine management.
Choice D reason: Vague reassurance lacks specificity; without addressing shocks, it’s less effective, as patients need clear, factual dispelling of their expressed concern.
Correct Answer is A
Explanation
Choice A reason: Right patient ensures identity verification; errors here cause harm via misadministration, as drugs affect individuals differently based on physiology and condition.
Choice B reason: Right drug prevents wrong medication errors; each drug’s pharmacokinetics targets specific issues, and mistakes disrupt therapy or cause adverse reactions.
Choice C reason: Color isn’t a standard right; it’s not a reliable identifier, as formulations vary, and clinical safety relies on name, dose, and route, not appearance.
Choice D reason: Right route ensures correct delivery (e.g., IV vs. oral); wrong routes alter bioavailability and onset, risking toxicity or inefficacy per drug design.
Choice E reason: Right time optimizes efficacy; timing aligns with drug half-life and patient needs, preventing under- or overdosing from improper administration schedules.
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