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A nurse is preparing to administer ziprasidone 17.5 mg IM to a client. Available is ziprasidone 20 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.)

Answer and Explanation

The Correct Answer is ["0.9"]

Identify the Desired Dose and Available Concentration:

Desired Dose: 17.5 mg of ziprasidone

Available Concentration: 20 mg/mL (This means there are 20 mg of ziprasidone in every 1 mL of solution)

Set up the Calculation:

We need to find the volume (in mL) that contains the desired dose of 17.5 mg.

We can use the following formula:

Volume (mL) = Desired Dose (mg) / Available Concentration (mg/mL)

Plug in the Values and Calculate:

Volume (mL) = 17.5 mg / 20 mg/mL

Volume (mL) = 0.875 mL

Round to the Nearest Tenth:

0.9 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 ["20"]

Explanation

Identify the Given Dose:

The prescribed dose is 0.02 grams (g).

Convert Grams to Milligrams:

We need to convert grams (g) to milligrams (mg) because the question asks for the answer in milligrams.

There are 1000 milligrams in 1 gram (1 g = 1000 mg).

0.02 g x 1000 mg/g = 20 mg

Round to the Nearest Whole Number:

20mg

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A nurse is preparing to administer ziprasidone 17.5 mg IM to a client. Available is ziprasidone 20 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.)

Nursing Test Bank

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 aripiprazole 0.02 g PO to a client. How many mg 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.)

Correct Answer is ["20"]

Explanation

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