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A nurse is preparing to administer valproic acid 375 mg PO to a client who has acute mania. Available is valproic acid 125 mg sprinkle 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.)

Answer and Explanation

The Correct Answer is ["3"]

The nurse should administer 3 capsules of valproic acid.

Step-by-Step Calculation

Understanding the Problem

Desired valproic acid dose: 375 mg

Available capsules: 125 mg each

We need to find the number of capsules to administer.

Calculations

Calculate the number of capsules:

Number of capsules = Desired dose / Capsule strength

Number of capsules = 375 mg / 125 mg/capsule = 3 capsules

The nurse should administer 3 capsules of valproic acid.

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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 ["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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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

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

A nurse is preparing to administer haloperidol 75 mg IM to a client who has schizophrenia. Available is haloperidol 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 preparing to administer sertraline 75 mg PO to a client who has post-traumatic stress disorder. Available is sertraline 50 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.)

A nurse is reviewing a new prescription for escitalopram 10 mg daily for a client who has depression. Which of the following components of the prescription should the nurse clarify with the provider?

A nurse is preparing to administer aripiprazole 30 mg PO daily to a client. Available is aripiprazole 15 mg tablets. How many tablets 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 diazepam 15 mg IM to a client who has status epilepticus. Available is diazepam injection 5 mg/mL. 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.)