A nurse is preparing to administer benztropine mesylate 2 mg IM to a client who has schizophrenia and is experiencing an extrapyramidal reaction to antipsychotic medication.

Available is benztropine mesylate injection 1 mg/mL in 2 mL ampules. How many mL should the nurse administer?

(Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

Answer and Explanation

The Correct Answer is ["2"]

Step 1: We know that 1 mg of benztropine mesylate is equivalent to 1 mL. So, 2 mg will be equivalent to 2 mL.

Therefore, the nurse should administer 2 mL of benztropine mesylate.

Since 2 is a whole number, there is no need for rounding.

The leading zero does not apply in this case as the number is not less than 1.

There is also no trailing zero after the decimal point. So, the final answer is 2 mL.

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Free Nursing Study Resources

Correct Answer is ["3"]

Explanation

Step 1: Calculate the total daily dose in mg

The prescribed dose is1.5 mg every 12 hours. Since there are 24 hours in a day, the total daily dose in mg is1.5 mg × 2 = 3 mg.

Step 2: Calculate the total daily dose in mL

The available risperidone solution is1 mg/mL. So, to find out the total daily dose in mL, we divide the total daily dose in mg by the concentration of the solution. That is,3 mg ÷ 1 mg/mL = 3 mL.

The total daily dose in mL the nurse should administer is 3 mL. This is rounded to the nearest whole number as per your instructions.

A. Medication name B. Dosage C. Frequency D. Route

Correct Answer is D

Explanation

The correct answer is choice D. Route.

Choice A rationale:

The medication name, lorazepam, does not need clarification as it is a commonly prescribed benzodiazepine, known for its effectiveness in treating anxiety and its off-label use as a sleep aid.

Choice B rationale:

The dosage of 4 mg at bedtime falls within the typical dosing range for lorazepam when used for insomnia caused by anxiety or transient situational stress in adults. However, it is on the higher end of the spectrum, and lower doses are often recommended, especially for older adults.

Choice C rationale:

The frequency, ‘at bedtime’, is appropriate for lorazepam when prescribed as a sleep aid, as it is typically taken as a single dose at night.

Choice D rationale:

The route should be clarified. Lorazepam can be administered orally in tablet form or as an oral solution, and the prescription should specify this to ensure proper administration. Additionally, if the patient has difficulty swallowing, the route of administration might need to be adjusted, and alternative forms like an injectable route could be considered.

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Naxlex Comprehensive Predictor Exams

Correct Answer is ["3"]

Explanation

A nurse is reviewing a client's new prescription for lorazepam 4 mg at bedtime. Which of the following components of the prescription should the nurse clarify with the provider?

Correct Answer is D

Explanation

A nurse is preparing to administer diphenhydramine 30 mg IM to a client. Available isdiphenhydramine injection 50 mg/mL. How many mL should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

A nurse is reviewing a client's prescription for Zopiclone 1 tablet PO at bedtime. Before administering this medication, the nurse should ask the provider to add which of the following components to the medication prescription?

A nurse is preparing to administer desipramine 0.15 g PO to a patient. The nurse should identify that this is equivalent to how many mg? (Round the answer to the nearest whole number. Use a leading zero if it applies.)

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A nurse is preparing to administer amitriptyline 50 mg PO to a client who has depression. Available is amitriptyline 100 mg tablets. How many tablets should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)