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A nurse l preparing to administer methylprednisolone acetate 60 mg IM weekly. Available is methylprednisolone acetate suspension for injection 80 mg/mL. How many mi should the nurse administer per dose? (Round the answer to the nearest hundredth. Use a leading zero if it applies. Do not use trailing zero.)

Answer and Explanation

The Correct Answer is ["0.75"]

Set up the dosage calculation:

Desired dose: 60 mg

Available concentration: 80 mg/mL

We need to find out how many mL will contain 60 mg of methylprednisolone acetate.

Use the formula:

Volume (mL) = Desired dose (mg) / Available concentration (mg/mL)

Plug in the values and calculate:

Volume (mL) = 60 mg / 80 mg/mL

Volume (mL) = 0.75 mL

Round to the nearest hundredth:

0.75mL

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Correct Answer is ["1"]

Explanation

Convert the client's weight from pounds to kilograms:

There are 2.205 pounds in 1 kilogram.

146.7 lb = 146.7 lb / 2.205 lb/kg = 66.53 kg (rounded to two decimal places).

Determine the total dosage:

The client is prescribed 7.5 mg/kg of metronidazole.

The client weighs 66.53 kg.

The total dosage is 7.5 mg/kg x 66.53 kg = 498.975 mg.

Determine the number of tablets per dose:

Each tablet contains 500 mg of metronidazole.

The nurse needs to administer 498.975 mg per dose.

To find the number of tablets per dose, we can set up a proportion:

500 mg / 1 tablet = 498.975 mg / x tablets

Cross-multiplying gives us:

500x = 498.975

Dividing both sides by 500, we get:

x = 0.99795 tablets

Round the answer to the nearest whole number:

Rounding 0.99795 to the nearest whole number gives us 1 tablet.

Correct Answer is ["1.6"]

Explanation

Determine the desired dosage:

The nurse needs to administer 480 mcg of filgrastim.

Determine the volume per dose:

The filgrastim injection contains 300 mcg per 1 mL.

The nurse needs to administer 480 mcg per dose.

To find the volume per dose:

300 mcg / 1 mL = 480 mcg / x mL

Cross-multiplying gives us:

300x = 480

Dividing both sides by 300, we get:

x = 1.6 mL

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Naxlex Comprehensive Predictor Exams

A nurse is preparing to administer metronidazole 7.5 mg/kg PO to a client who weighs 146.7 lb. Available is metronidazole 500 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 trailing zero.)

Correct Answer is ["1"]

Explanation

A nurse is preparing to administer filgrastim 480 mcg subcutaneous daily. Available is filgrastim injection 300 mcg/mL. How many mL should the nurse administer per dose? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

Correct Answer is ["1.6"]

Explanation

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