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A nurse is preparing to administer venlafaxine 225 mg PO to a client who has generalized anxiety disorder. Available is venlafaxine 75 mg sustained-release 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"]

Rationale:

How to solve this step by step:

Determine the dosage required: 225 mg

Available capsule strength: 75 mg per capsule

Calculate the number of capsules:

Number of capsules=Required dose (mg)/Capsule strength (mg/capsule)

Number of capsules=225 mg/75 mg/capsule

Result:

Number of capsules=3

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Naxlex Comprehensive Predictor Exams

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Correct Answer is B

Explanation

A. Temazepam 15 mg PO at bedtime PRN sleep: This prescription is clear, as it specifies the medication, dosage, route, and that it is for as-needed use at bedtime. This is an appropriate use of a sedative-hypnotic medication for sleep issues.

B. Adderall XR 10 mg PO hs: The abbreviation "hs" typically means "at bedtime," but in the context of Adderall, which is a stimulant, this usage may raise concerns about inappropriate timing. Stimulants are usually prescribed in the morning to avoid insomnia and potential side effects, so clarifying this prescription is necessary to ensure safe and effective use.

C. Fluoxetine 20 mg PO every a.m.: This prescription is clearly stated, with an appropriate dosage and frequency. Fluoxetine is commonly prescribed for depression and can be taken in the morning, making this prescription acceptable.

D. Guanfacine 1 mg PO daily: The prescription is straightforward and appropriate, as guanfacine is often used for attention deficit hyperactivity disorder (ADHD) or hypertension and can be taken daily. There are no concerns that require clarification with this prescription.

Correct Answer is ["2.5"]

Explanation

Rationale:

How to solve this stepbystep:

Determinethedosagerequired:2.5mg

Determinetheconcentrationavailable:5mg/5mL

Simplifytheconcentration:

5mg/5mL=1mg/mL

Usetheformula:

Volume(mL)=Requireddose(mg)/Concentration(mg/mL)

Calculatethevolume:

Volume(mL)=2.5mg/1mg/mL

Volume(mL)=2.5mL

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Naxlex Comprehensive Predictor Exams

A nurse is reviewing new prescriptions for several clients. Which of the following prescriptions should the nurse clarify with the provider?

Correct Answer is B

Explanation

A nurse is preparing to administer diazepam 2.5 mg PO once a day at bedtime to a client who has anxiety. Available is diazepam oral solution 5 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.)

Correct Answer is ["2.5"]

Explanation

A nurse is preparing to administer haloperidol 500 mcg PO to a client. How many mg 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 client's medication administration record. The nurse should identify that which of the following prescriptions requires further clarification?

A nurse is preparing to administer diazepam 7.5 mg IM to a client who is experiencing anxiety. Available is diazepam injection 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.)

A nurse is planning to administer chlorpromazine 0.8 g PO daily to a client. How many mg should the nurse plan to 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 0.2 g of clozapine PO to a client. Available is clozapine 100 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 temazepam 0.015 g PO to assist a client with sleep. Available is temazepam 15 mg 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.)