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A nurse is caring for a client who has a new prescription for interferon beta-1a 11 mcg subcutaneous three times weekly. Available is interferon beta-1a injection 22 mcg/0.5 mL. How many mL should the nurse administer per dose? (Round the answer to the nearest hundredth. Use a leading zero if it applies. Do not use a trailing zero.)

Answer and Explanation

The Correct Answer is ["0.25"]

To calculate the dosage of interferon beta-1a for the client, the nurse should use the following formula:

Dose (mL) = Desired dose (mcg) / Available dose (mcg/mL)

Plugging in the values from the prescription and the medication label, we get:

Dose (mL) = 11 mcg / 22 mcg/0.5 mL

Simplifying the fraction, we get:

Dose (mL) = 0.5 / 2

Dividing both sides by 2, we get:

Dose (mL) = 0.25

Therefore, the nurse should administer 0.25 mL of interferon beta-1a per dose.

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Free Nursing Study Resources

Correct Answer is ["50"]

Explanation

To calculate the dose of diclofenac sodium per administration, the nurse should divide the total daily dose by the number of doses per day.

In this case, the total daily dose is 200 mg and the number of doses per day is 4 (every 6 hr).

Therefore, the dose per administration is 200 mg / 4 = 50 mg.

The nurse should administer 50 mg of diclofenac sodium PO every 6 hr.

Correct Answer is ["30"]

Explanation

The nurse should use the following formula to convert tablespoons to milliliters: 1 tbsp = 15 mL.

Therefore, 2 tbsp = 2 x 15 mL = 30 mL.

The nurse should administer 30 mL of magnesium hydroxide PO.

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Naxlex Comprehensive Predictor Exams

A nurse is preparing to administer diclofenac sodium 200 mg PO daily in equally divided doses every 6 hr. How many mg should the nurse administer per dose? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

Correct Answer is ["50"]

Explanation

A nurse is preparing to administer magnesium hydroxide 2 tbsp PO. 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.)

Correct Answer is ["30"]

Explanation

A nurse is preparing to administer phenytoin 200 mg PO to a client. Available is phenytoin oral suspension 125 mg/5 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.)

A nurse is preparing to administer chlorpromazine 12.5 mg IM to a client. Available is chlorpromazine 25 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 phenytoin 200 mg PO to a client. Available is phenytoin oral suspension 125 mg/5 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.)

A nurse is preparing to administer isoniazid 187 mg IM. Available is isoniazid injection 100 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 levothyroxine 5 mcg/kg PO to a client who weighs 220 lb. Available is levothyroxine 75 mcg 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 lorazepam 50 mcg/kg IM to a client who weighs 176 lb. Available is lorazepam 4 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.)