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A nurse is preparing to administer epinephrine 0.5 mg IM to a client. Available is epinephrine 1 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 ["0.5"]

The nurse should administer 0.5 mL of epinephrine.

Step-by-Step Calculation

Understanding the Problem

Desired dose: 0.5 mg epinephrine

Available concentration: 1 mg/mL epinephrine

Setting Up the Equation

We can use the following formula:

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

We need to find the volume (mL).

Calculating the Volume

0.5 mg = 1 mg/mL X Volume (mL)

To isolate Volume, we divide both sides by 1 mg/mL:

Volume (mL) = 0.5 mg / (1 mg/mL)

Volume (mL) = 0.5 mL

The nurse should administer 0.5 mL of epinephrine.

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Correct Answer is A

Explanation

A. Divalproex 1.5 g PO twice daily:
Divalproex (valproic acid) is used for managing mania and typically dosed between 750 mg and 3 g daily, depending on the specific needs of the client and their blood levels. However, 1.5 g twice daily (3 g total daily) might be higher than usual initial dosing and could warrant clarification to ensure that this is an appropriate dose for the client and does not exceed recommended maximums.

B. Lithium 300 mg PO three times daily:
Lithium is commonly prescribed for mania, and 300 mg three times daily is a standard dosing regimen. Lithium levels are monitored to ensure therapeutic efficacy and avoid toxicity, so this dosage is within a typical range.

C. Clonazepam 0.5 mg PO three times daily:
Clonazepam is a benzodiazepine that can be used to manage anxiety or agitation associated with mania. A dose of 0.5 mg three times daily is within the usual range for short-term management and does not typically require clarification.

D. Risperidone 3.0 mg PO daily:
Risperidone is an atypical antipsychotic used to manage symptoms of mania, and 3 mg daily is a common starting dose. This dosage is appropriate and generally does not require further clarification.

Correct Answer is ["1.2"]

Explanation

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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A nurse is preparing to administer epinephrine 0.5 mg IM to a client. Available is epinephrine 1 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 reconciling the medications of a client who was newly admitted for management of mania. Which of the following prescriptions should the nurse clarify with the provider?

Correct Answer is A

Explanation

Correct Answer is ["1.2"]

Explanation

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