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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

The toddler is ordered to receive 25 mg/kg of Principen IV over 30 minutes. The toddler weighs 22 lb, which is equivalent to 10 kg. To calculate the total amount of Principen the toddler should receive, multiply the weight by the dosage:

10 kg x 25 mg/kg = 250 mg

The Principen dose arrives from the pharmacy prepared in 50 mL of IV solution, which means there is 250 mg of Principen in 50 mL of solution. To calculate how many milliliters per hour the nurse should administer, we can use the following formula:

50 mL / 0.5 hour = X mL per hour X = 100 mL per hour

Therefore, the nurse should administer 100 mL of Principen per hour to the toddler.

A. 0.008 mL B. 1 mL C. 5 mL D. 300 mL

Correct Answer is C

Explanation

The patient is ordered to receive 5 mg of Lopressor over 60 seconds, which is equivalent to 1 minute. The concentration of Lopressor is 1 mg/1 mL, which means there is 1 mg of Lopressor in 1 mL of solution. To calculate how many milliliters per minute the nurse should administer, we can use the following formula:

5 mg / 1 mg per 1 mL = X mL X = 5 mL per minute.

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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

An order is received for Principen (ampicillin) 25 mg/kg IV for a toddler who weighs 22 lb, the dose is to be infused over 30 minutes. The ampicillin dose arrives from the pharmacy prepared in 50 mL of IV solution. How many milliliters per hour should be administered?

Correct Answer is D

Explanation

A patient is ordered 5 mg of IV Lopressor (metoprolol tartrate) to be administered over 60 seconds. The concentration is 1 mg/1 mL. How many milliliters per minute should the nurse administer to the patient?

Correct Answer is C

Explanation

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