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 B
Explanation
Choice A reason: Juice may alter absorption; liquid can dilute or degrade some drugs, and taste may deter intake, reducing effectiveness compared to soft food.
Choice B reason: Applesauce masks taste and aids swallowing; it ensures crushed medication is consumed fully, maintaining dose integrity without altering pharmacokinetics significantly.
Choice C reason: Water may not mask bitterness; some drugs dissolve poorly or lose potency, and patients may not finish it, risking incomplete dosing.
Choice D reason: Meat or vegetables may bind drugs; uneven distribution or strong flavors could reduce intake, compromising the full therapeutic dose delivery.
Correct Answer is B
Explanation
Choice A reason: Trade names are brand-specific; insurance denial of the brand rules this out, as it’s the costly formulation they won’t cover for the patient.
Choice B reason: Generic drugs, bioequivalent to brands, cost less; insurance favors them, ensuring the same active ingredient and efficacy at a lower price point.
Choice C reason: Chemical names describe molecular structure, not a formulation; they’re not dispensed as drugs, making this irrelevant to insurance or pharmacy.
Choice D reason: Proprietary is synonymous with brand; if insurance denies the brand, this option is also excluded, leaving generic as the viable substitute.
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