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A nurse-midwife orders Stadol (butorphanol) 1 mg IV push every 3-4 hours as needed for pain. The nurse has Stadol available as 2 mg/mL injectable solution. How many milliliters should the nurse administer to the patient?

0.5 mL

1 mL

1.5 mL

2 mL

Answer and Explanation

The Correct Answer is A

To administer 1 mg of Stadol, we need 1/2 mL of 2 mg/mL injectable solution. .

So, to administer 1 mg of Stadol, the nurse should administer 0.5 mL of the injectable solution.

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Correct Answer is D

Explanation

First, we need to calculate the total dose of esmolol required per minute: Total dose = Weight x Dose x 60 minutes

Total dose = 65 kg x 200 mcg/kg/min x 60 minutes Total dose = 780,000 mcg/min

Next, we need to convert the dose to milligrams (mg):

780,000 mcg/min = 780 mg/min

The concentration of the esmolol solution is 2,500 mg in 250 mL or 10 mg/mL. To deliver 780 mg/min at a concentration of 10 mg/mL, we need to infuse: Infusion rate = Total dose / Concentration

Infusion rate = 780 mg/min / 10 mg/mL Infusion rate = 78 mL/min

Rounding to the nearest whole number, the answer is D. 78 mL/hr.

Therefore, the nurse should calculate an infusion rate of 78 mL/hr to deliver the required dose of esmolol to the patient.

A. 100 mL/hr B. 150 mL/hr C. 200 mL/hr D. 400 mL/hr

Correct Answer is C

Explanation

The patient is ordered to receive 0.15 mg/kg of Zofran over 15 minutes. The patient weighs 176 lb, which is equivalent to 80 kg. To calculate the total amount of Zofran the patient should receive, multiply the weight by the dosage:

80 kg x 0.15 mg/kg = 12 mg

The Zofran arrives from the pharmacy mixed in 50 mL of normal saline, which means there is 12 mg of Zofran in 50 mL of solution. To calculate how many milliliters per hour the nurse should set the IV pump, we can use the following formula:

50 mL / 0.25 hour = X mL per hour X = 200 mL per hour

Therefore, the nurse should set the IV pump to deliver 200 mL of Zofran per hour to the patient.

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A nurse-midwife orders Stadol (butorphanol) 1 mg IV push every 3-4 hours as needed for pain. The nurse has Stadol available as 2 mg/mL injectable solution. How many milliliters should the nurse administer to the patient?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse needs to infuse esmolol to a client weighing 65 kg. The dose on hand is 2,500 mg esmolol in 250 mL of fluid. The client requires a dose of 200 mcg/kg/min. Which rate should the nurse calculate to infuse this medication? Round to the nearest whole number.

Correct Answer is D

Explanation

A nurse will administer Zofran (ondansetron) 0.15 mg/kg over 15 minutes. The patient weighs 176 lb. The nurse receives the medication from the pharmacy mixed in 50 mL normal saline... How should the nurse set the IV pump to deliver the correct dose?

Correct Answer is C

Explanation

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