Vistaril 75 mg IM is ordered for anxiety. Available: 50 mg/mL. How many milliliters will the nurse administer?

1 mL

1.5 mL

2 mL

2.5 mL

Answer and Explanation

The Correct Answer is B

Choice A reason: 1 mL gives 50 mg; this underdoses the 75 mg order, reducing Vistaril’s sedative effect, risking inadequate anxiety relief for the patient.

Choice B reason: 1.5 mL is correct; 75 mg divided by 50 mg/mL equals 1.5 mL, delivering the precise IM dose for effective anxiolytic action safely.

Choice C reason: 2 mL provides 100 mg; this overdoses Vistaril, risking excessive sedation or hypotension, exceeding the ordered therapeutic amount unnecessarily.

Choice D reason: 2.5 mL yields 125 mg; this far exceeds 75 mg, amplifying side effects like drowsiness or respiratory depression, unsafe for anxiety management.

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Correct Answer is B

Explanation

Choice A reason: Crushing pills can alter drug efficacy and safety, especially for medications with controlled-release properties, making this inappropriate without specific provider instructions.

Choice B reason: Requesting a liquid form accommodates the patient’s physical limitations, maintaining therapeutic integrity and ensuring safe and effective medication administration.

Choice C reason: Introducing pills directly into the patient’s mouth risks aspiration and violates safe administration practices, emphasizing the need for alternative methods.

Choice D reason: If the patient struggles to hold the cup, self-administration becomes impractical. Assistance through appropriate alternative forms ensures compliance and safety.

A. Used by retailers to sell the drug. B. Recognized as its chemical makeup. C. Used in an order. D. Trademarked.

Correct Answer is D

Explanation

Choice A reason: Retailers use trade or generic names; trade isn’t exclusive here, as generics are sold too, making this a shared rather than unique trait.

Choice B reason: Chemical names define molecular structure (e.g., acetaminophen); trade names (e.g., Tylenol) are brand-specific, not tied to chemistry recognition.

Choice C reason: Orders use trade or generic names (e.g., Zestril or lisinopril); trade isn’t the only option, as generics are equally valid in prescriptions.

Choice D reason: Trade names are trademarked (e.g., Viagra); this legal protection distinguishes them from generic or chemical names, ensuring brand exclusivity.

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Vistaril 75 mg IM is ordered for anxiety. Available: 50 mg/mL. How many milliliters will the nurse administer?

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Naxlex Comprehensive Predictor Exams

When the nurse brings pills to the patient, the patient is unable to hold the paper cup with the medications. What should the nurse do?

Correct Answer is B

Explanation

The nurse explains that a drug may have several names. The trade name is the only name that can be:

Correct Answer is D

Explanation

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