The physician orders Ceclor 175 mg po for an ear infection. After reconstitution, the medication is available as 125 mg/5 mL. How many milliliters will the nurse administer?

5 mL

7 mL

10 mL

14 mL

Answer and Explanation

The Correct Answer is B

Choice A reason: 5 mL gives 125 mg; this underdoses the 175 mg order, reducing Ceclor’s antibacterial effect, risking persistent ear infection due to insufficient concentration.

Choice B reason: 7 mL is correct; 175 mg divided by 125 mg/5 mL equals 7 mL, delivering the exact cephalosporin dose for effective otitis media treatment.

Choice C reason: 10 mL provides 250 mg; this overdoses Ceclor, risking gastrointestinal upset or resistance, exceeding the therapeutic need for the infection safely.

Choice D reason: 14 mL yields 350 mg; this extreme overdose amplifies side effects like diarrhea or toxicity, far beyond the ordered 175 mg dose requirement.

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Correct Answer is A

Explanation

Choice A reason: Tolerance reflects receptor desensitization or enzyme induction; higher doses compensate for reduced drug efficacy, a common pharmacological adaptation.

Choice B reason: Organ failure affects metabolism, not tolerance; tolerance is a cellular response, not solely a failure of liver or kidney drug clearance mechanisms.

Choice C reason: Stable dosing contradicts tolerance; if tolerance develops, efficacy drops, necessitating dose increases, not maintenance, to achieve therapeutic levels.

Choice D reason: Non-adherence may alter response, but tolerance occurs with consistent use; it’s a physiological adaptation, not a result of misuse or skipping doses.

A. A patient develops hives after having started an antibiotic 24 hours earlier. B. A patient receives a double dose of a medication because the nurse did not cut the pill in half. C. A patient refuses her morning medications. D. A patient complains of severe pain still present 60 minutes after a pain medication was given.

Correct Answer is B

Explanation

Choice A reason: Allergic reactions are adverse drug effects, not necessarily medication errors. Documentation of allergies before administration prevents such events.

Choice B reason: Administering a double dose results directly from improper preparation, constituting a clear medication error requiring immediate reporting and corrective action.

Choice C reason: Patient refusal is not a medication error but a decision. Nurses must document refusals and provide education on medication importance.

Choice D reason: Persistent pain indicates ineffective medication, which is an issue of treatment efficacy, not an error in administration.

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The physician orders Ceclor 175 mg po for an ear infection. After reconstitution, the medication is available as 125 mg/5 mL. How many milliliters will the nurse administer?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

Which statement is correct about patient tolerance to medications?

Correct Answer is A

Explanation

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Correct Answer is B

Explanation

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