A laboring client weighing 187 lb is 5 cm dilated and having contractions every 2-3 minutes. The client rates the pain at 7 out of 10. Nalbuphine hydrochloride 10 mg/70 kg IV push × 1 is prescribed by the health care provider. Nalbuphine hydrochloride 10 mg/1 mL is available.

How many milliliters does the nurse administer? Record your answer using one decimal place.

To calculate the dosage of Nalbuphine hydrochloride, first convert the patient's weight to kilograms and apply the prescribed dose ratio. The nurse should administer 1.2 milliliters of Nalbuphine hydrochloride for a 187 lb patient.

Explanation:

The question asked is how many milliliters of Nalbuphine hydrochloride the nurse should administer to a laboring client weighing 187 lb (84.8 kg) if 10 mg per 70 kg of body weight is prescribed. First, you need to calculate the appropriate dosage based on the client's weight.

To find the dosage in milligrams, you multiply the client's weight in kilograms by the prescribed amount (10 mg) and then divide by 70 kg.

The calculation is as follows: (84.8 kg / 70 kg) × 10 mg = 12.1 mg of Nalbuphine hydrochloride needed. Since the available concentration of Nalbuphine hydrochloride is 10 mg/mL, you must divide the needed dose of 12.1 mg by the concentration 10 mg/mL to determine the volume in milliliters to administer.

The final calculation is 12.1 mg / 10 mg/mL = 1.2 mL. Therefore, the nurse should administer 1.2 milliliters of Nalbuphine hydrochloride.

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