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A nurse is preparing to administer fluphenazine hydrochloride 3 mg IM to a client who has schizophrenia. Available is fluphenazine hydrochloride Injection 2.5 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 ["1.2"]

Answer

The nurse should administer 1.2 mL of fluphenazine hydrochloride.

Step-by-Step Calculation

Understanding the Problem

Desired dose: 3 mg fluphenazine hydrochloride

Available concentration: 2.5 mg/mL

We need to find the volume to administer.

Calculations

Calculate the volume to administer:

Volume (mL) = Desired dose (mg) / Concentration (mg/mL)

Volume = 3 mg / 2.5 mg/mL = 1.2 mL

The nurse should administer 1.2 mL of fluphenazine hydrochloride.

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Correct Answer is B

Explanation

A. Dose:
The dose of 2 mg is clearly specified in the prescription and does not need further clarification. It is the correct amount to administer based on the provided information.

B. Route:
The route of administration for haloperidol should be specified if it is not included in the prescription. Haloperidol can be administered orally, intramuscularly, or intravenously, and knowing the correct route is crucial to ensure proper and effective administration of the medication.

C. Frequency:
The frequency is indicated as "every 4 hr PRN" (as needed), which specifies how often the medication can be given. There is no need for further clarification regarding the frequency.

D. Medication:
The medication, haloperidol, is already identified in the prescription. There is no need to ask for clarification regarding the medication itself, as it is clearly stated.

Correct Answer is ["0.5"]

Explanation

The nurse should administer 0.5 ml of ziprasidone injection.

Step-by-Step Calculation

Understanding the Problem

We need to administer 10 mg of ziprasidone.

The available concentration is 20 mg/ml.

We need to find out how many milliliters (ml) to administer.

Setting up the Equation

We can use the formula:

Desired dose (mg) = Concentration (mg/ml) X Volume (ml)

Calculating the Volume

We know the desired dose (10 mg) and the concentration (20 mg/ml). We need to findthe volume.

Rearranging the formula to solve for volume, we get:

Volume (ml) = Desired dose (mg) / Concentration (mg/ml)

Substituting the values:

Volume (ml) = 10 mg / 20 mg/ml = 0.5 ml

The nurse should administer 0.5 ml of ziprasidone injection.

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Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is reviewing a client's prescription for haloperidol 2 mg every 4 hr PRN agitation. Before administering this medication, the nurse should ask the provider to add which of the following components of a medication prescription?

Correct Answer is B

Explanation

A nurse is preparing to administer ziprasidone 10 mg IM to a client who has acute agitation and schizophrenia. Available is ziprasidone injection 20 mg/ml. How many mi should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

Correct Answer is ["0.5"]

Explanation

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