When categorizing medications, drug classifications may be defined by the effects of the drug and:
The symptoms the drug relieves.
The dosage amounts.
Patient tolerance.
The nursing implications.
The Correct Answer is A
Choice A reason: Classifications like “analgesics” pair effects (pain relief) with symptoms (pain); this pharmacological basis groups drugs by therapeutic purpose and mechanism.
Choice B reason: Dosage varies within classes; it’s not a defining trait, as classifications focus on action (e.g., beta-blockers), not specific amounts administered.
Choice C reason: Tolerance is patient-specific, not a classification criterion; drugs are grouped by effect and symptom relief, not individual response variations.
Choice D reason: Nursing implications guide administration, not classification; categories stem from pharmacology (e.g., antihypertensives), not care protocols or implications.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A reason: Dependence is physiological reliance; crushing for speed isn’t dependence but alters delivery, not fitting the chronic need-based pattern of dependency.
Choice B reason: Abuse seeks euphoria or excess; crushing for relief manipulates timing, not intent, distinguishing it from recreational or harmful overuse patterns.
Choice C reason: Misuse is incorrect use; crushing extended-release voids its design, delivering a bolus dose unsafely, matching the patient’s action precisely.
Choice D reason: Underuse is insufficient dosing; crushing increases immediate effect, not reducing intake, making this the opposite of the patient’s medication alteration.
Correct Answer is B
Explanation
Choice A reason: 31 gtts/min assumes 250 mL over 4 hours with 15 gtts/mL; this halves the rate, underdelivering vancomycin, risking subtherapeutic levels and ineffective bacterial killing over the prescribed 2-hour infusion time.
Choice B reason: 62 gtts/min is correct; 250 mL over 2 hours is 125 mL/hr, times 15 gtts/mL equals 1875 gtts total, divided by 120 minutes yields 62 gtts/min, ensuring proper antibiotic delivery.
Choice C reason: 125 gtts/min doubles the rate; 250 mL in 1 hour with 15 gtts/mL is too fast, risking vancomycin toxicity, including renal damage, and exceeding safe infusion guidelines for IVPB.
Choice D reason: 250 gtts/min assumes 250 mL in 30 minutes; this dangerously rapid rate could cause vancomycin-induced red man syndrome or cardiovascular overload, far beyond the ordered 2-hour infusion duration.
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