A nurse is preparing to administer nitroprusside 2 mcg/kg/min via continuous IV infusion to a client who weighs 75 kg. Available is nitroprusside 50 mg in dextrose 5% in water 250 mL. The nurse should set the IV pump to deliver how many mL/hr?
(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 ["45"]

Infusion rate in mL/h = Dose (mcg/kg/min) x Weight (kg) x 60 / Concentration (mcg/mL) In this case, the dose is 2 mcg/kg/min and the concentration is 50 mg/250 mL or 200 mcg/mL. Therefore, the infusion rate is:

Infusion rate (mL/h) = 2 x 75 x 60 / 200 Infusion rate (mL/h) = 45

The nurse should set the IV pump to deliver 45 mL/h.

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Correct Answer is B

Explanation

Choice A reason: Giving the medication each time the client saturates the perineal pad within 15 minutes is incorrect. The prescription specifies a one-time administration of oxytocin, not repeated doses. Administering the medication multiple times could lead to an overdose and potential complications, as oxytocin is a powerful drug used to control postpartum bleeding by stimulating uterine contractions.

Choice B reason: This is the correct interpretation of the prescription. The nurse should administer the medication once if the client saturates the perineal pad within 15 minutes. This means that if the client experiences heavy bleeding that results in the saturation of a perineal pad within this timeframe, the nurse should give the prescribed dose of oxytocin intramuscularly to help control the bleeding and promote uterine contractions.

Choice C reason: Waiting 15 minutes to administer the medication after the client saturates a perineal pad is incorrect. The prescription does not indicate a delay in administration. Prompt administration of oxytocin is crucial in managing postpartum hemorrhage, as delaying treatment could result in continued heavy bleeding and increased risk of complications for the client.

Choice D reason: Offering the medication now to prevent saturation of the perineal pad is also incorrect. The prescription specifies that the medication should be given in response to the saturation of the perineal pad within 15 minutes, not as a preventive measure. Administering oxytocin without the indicated condition could lead to unnecessary medication use and potential side effects.

Correct Answer is ["188"]

Explanation

Infusion rate= Volume / Time

Therefore;

Infusion rate = 1,500 mL / 8 hr Infusion rate = 187.5 mL/hr

Rounded off to the nearest whole number; 188ml/hr

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Naxlex Comprehensive Predictor Exams

A nurse is caring for a client who is postpartum and has a prescription for oxytocin 10 units IM one time only for the saturation of a perineal pad in 15 min or less. How should the nurse interpret this prescription?

Correct Answer is B

Explanation

A nurse is preparing to administer lactated Ringer's 1,500 mL IV over 8 hr to a pregnant client who has gastroenteritis. The nurse should set the IV pump to deliver how many mL/hr? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

Correct Answer is ["188"]

Explanation

A nurse assists with the admission of a client to the postpartum unit and reviews the client's prescribed medications. The nurse should clarify which of the following prescriptions with the provider.

A nurse is preparing to administer acetaminophen 56 mg PO to a newborn.Available is acetaminophen oral solution 160 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.)

A nurse is preparing to administer 0.45% sodium chloride 1,000 mL IV to infuse over 6 hr to a postpartum client. The nurse should set the IV pump to deliver how many mL/hr? (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 procaine penicillin G 800,000 units IM. Available is procaine penicillin G Injection 600,000 units/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.)