A nurse is transcribing a client’s prescription for erythromycin 500 mg four times per day. Which of the following information should the nurse clarify with the provider?

Medication

Dosage

Route

Time

Answer and Explanation

The Correct Answer is C

Choice A reason: Erythromycin is specified, so the medication is clear. No ambiguity exists here for clarification. Scientifically, drug identity is explicit, and errors arise elsewhere, making this unnecessary to question unless a different antibiotic was intended, which isn’t suggested.

Choice B reason: Dosage (500 mg) is precise, with no range or units needing clarification. Scientifically, this is a standard erythromycin dose, aligning with therapeutic norms for infections, leaving little room for error unless misheard, which isn’t indicated.

Choice C reason: Route (e.g., oral, IV) isn’t stated, critical for erythromycin, as administration affects bioavailability and efficacy. Scientifically, unclear delivery risks under- or overdosing, necessitating provider clarification to ensure safe, effective treatment per pharmacological standards.

Choice D reason: Time (four times daily) is clear, aligning with erythromycin’s pharmacokinetics for steady levels. Scientifically, frequency is unambiguous, requiring no clarification unless intervals were vague, which they aren’t, making this less urgent than route.

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Correct Answer is B

Explanation

Choice A reason: Calcium-fortified juice binds doxycycline, reducing absorption via chelation in the gut. Scientifically, tetracyclines like doxycycline lose efficacy with divalent cations, worsening nausea without treating chlamydia, making this counterproductive to therapeutic goals and pharmacokinetics.

Choice B reason: Taking doxycycline with crackers minimizes gastric irritation, reducing nausea while maintaining absorption. Scientifically, light food buffers the stomach without significantly impairing tetracycline bioavailability, aligning with evidence-based advice to improve tolerability and adherence in chlamydia treatment.

Choice C reason: Lying down after doxycycline risks esophageal irritation or reflux, worsening nausea. Scientifically, upright posture post-dose prevents drug stasis, which can cause ulcers, making this contrary to safe administration practices for tetracyclines per clinical guidelines.

Choice D reason: Antacids with magnesium or aluminum bind doxycycline, decreasing absorption and efficacy. Scientifically, this interaction undermines chlamydia treatment, as tetracyclines require an acidic environment for uptake, rendering this incompatible with therapeutic success and worsening outcomes.

A. Place the client in Sims' position for catheter insertion. B. Verify the amount of TPN solution the client is receiving every 4 hr. C. Use clean technique when changing the catheter dressing. D. Prepare the client for a chest x-ray to verify catheter placement.

Correct Answer is D

Explanation

Choice A reason: Sims’ position is for rectal exams, not central catheter insertion. Trendelenburg or supine is used, so this is incorrect for TPN prep.

Choice B reason: Verifying TPN amount is ongoing care, not insertion prep. Initial placement confirmation via x-ray takes precedence over infusion monitoring here.

Choice C reason: Clean technique risks infection in central lines; sterile is required. This compromises TPN safety, making it an incorrect preparatory step.

Choice D reason: Chest x-ray confirms catheter tip placement in the vena cava for TPN. It’s a critical prep step to ensure safe administration begins.

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A nurse is transcribing a client’s prescription for erythromycin 500 mg four times per day. Which of the following information should the nurse clarify with the provider?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is caring for a client who has a chlamydial infection and a new prescription for doxycycline. The client reports nausea and vomiting after starting the medication. Which of the following recommendations should the nurse make?

Correct Answer is B

Explanation

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Correct Answer is D

Explanation

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