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A nurse is preparing to administer aripiprazole 9 mg. IM to a client. Available is aripiprazole injection 9.75 mg/3 mL. How many mL should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not trailing zero.)

Answer and Explanation

The Correct Answer is ["1.2"]

Determine the concentration of the aripiprazole injection:

Available concentration: 9.75 mg / 1.3 mL

Calculate the volume (in mL) needed for a 9 mg dose:

Use the concentration as a conversion factor:

Volume (mL) = Ordered dose (mg) / Concentration (mg/mL) Volume (mL) = 9 mg / (9.75 mg / 1.3 mL)

Simplify the complex fraction:

Volume (mL) = 9 mg x (1.3 mL / 9.75 mg)

Calculate:

Volume (mL) = (9 x 1.3) / 9.75 = 11.7 / 9.75 = 1.2 mL

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Correct Answer is D

Explanation

A) Route:
Lorazepam is typically administered orally, intravenously, or intramuscularly. In this case, the route is not specified in the question, but if it were to be prescribed for oral administration (as would be common for bedtime use), the route would be considered appropriate. Therefore, there is no need to clarify the route in this scenario unless additional details were provided.

B) Medication:
Lorazepam is a benzodiazepine commonly prescribed for anxiety, insomnia, or seizures. It is a well-established medication with an appropriate indication. The medication itself is correct, and no clarification is needed in this regard.

C) Frequency:
The prescription states "at bedtime," which is an appropriate frequency for lorazepam, particularly when used to treat insomnia or anxiety during the night. This is a standard dosing regimen for a medication like lorazepam. Therefore, the frequency is not an issue and does not need clarification.

D) Dose:
The usual starting dose for lorazepam in adults for anxiety is typically 1–2 mg, and the dose for insomnia may range from 1–4 mg at bedtime. A dose of 4 mg is at the higher end of the recommended range, and while it may be prescribed for certain situations, it is relatively high for a single bedtime dose. The nurse should clarify whether this dose is appropriate for the client’s condition, as excessive sedation or respiratory depression could occur with higher doses, especially in older adults or those with comorbidities.

Correct Answer is ["2"]

Explanation

Determine the concentration of the chlorpromazine injection:

Available concentration: 25 mg/mL

Calculate the volume (in mL) needed for a 50 mg dose:

Use the concentration as a conversion factor:

Volume (mL) = Ordered dose (mg) / Concentration (mg/mL) Volume (mL) = 50 mg / 25 mg/mL = 2 mL

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A nurse is preparing to administer aripiprazole 9 mg. IM to a client. Available is aripiprazole injection 9.75 mg/3 mL. How many mL should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not trailing zero.)

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Naxlex Comprehensive Predictor Exams

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

Correct Answer is D

Explanation

A nurse is preparing to administer chlorpromazine 50 mg IM to a client. Available is chlorpromazine 25 mg/mL. How many mL should the nurse administer? (Round the answer to the nearest whole number. Use leading zero if it applies Do not use a trailing zero.)

Correct Answer is ["2"]

Explanation

A nurse is preparing to administer aripiprazole 9 mg. IM to a client. Available is aripiprazole injection 9.75 mg/3 mL. How many mL should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not trailing zero.)

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

A nurse is preparing to administer temazepam 0.015 g PO to assist a client with sleep. Available is temazepam 15mg capsules. How many capsules 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.)

A nurse is preparing to administer valproic acid 375 mg po to a client who has acute mania. Available is valproic acid syrup 250 mg/5 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)