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The nurse is preparing a client's dose of an IM analgesic in a single syringe. The prescription is hydromorphone 4 mg and hydroxyzine 25 mg. The hydromorphone is available in a 10 mg/mL ampule, and the hydroxyzine is available in a 50 mg/mL vial. How many total mL should the nurse administer? (Enter the numeric value only. If rounding is required, round to the nearest tenth.)

Answer and Explanation

The Correct Answer is ["0.9"]

Here's how to calculate the total volume the nurse should administer for the combined medication:

1. Calculate the volume of hydromorphone:

Dose: 4 mg

Concentration: 10 mg/mL (from ampule label)

Volume (mL) for hydromorphone = Dose (mg) / Concentration (mg/mL)

Volume (mL) for hydromorphone = 4 mg / 10 mg/mL

Volume (mL) for hydromorphone = 0.4 mL

2. Calculate the volume of hydroxyzine:

Dose: 25 mg

Concentration: 50 mg/mL (from vial label)

Volume (mL) for hydroxyzine = Dose (mg) / Concentration (mg/mL)

Volume (mL) for hydroxyzine = 25 mg / 50 mg/mL

Volume (mL) for hydroxyzine = 0.5 mL

3. Add the volumes for each medication to find the total volume:

Total volume = Volume (mL) for hydromorphone + Volume (mL) for hydroxyzine

Total volume = 0.4 mL + 0.5 mL

Total volume = 0.9 mL (round to nearest tenth as requested)

Therefore, the nurse should administer a total of 0.9 mL.

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Correct Answer is ["200"]

Explanation

Here's why:

The entire dose (400 mg) is contained within the 200 mL bag.

The information doesn't suggest the bag needs to be emptied completely during the infusion.

Our goal is to deliver the 400 mg dose over the 1-hour infusion period.

Therefore, the nurse should program the infusion pump to deliver the entire volume of the bag (200 mL) containing the medication over the 1-hour timeframe.

Calculation:

Volume to deliver (mL/hr) = Total volume of bag (mL) / Infusion time (hours)

Volume to deliver (mL/hr) = 200 mL / 1 hour

Volume to deliver (mL/hr) = 200 mL/hr

Therefore, the nurse should program the infusion pump to deliver 200 mL/hr.

Correct Answer is ["60"]

Explanation

Here's how to calculate the gentamicin dosage per dose for the child:

Client weight conversion:

Client weight: 66 lbs

We need the weight in kilograms (kg) for the medication dosage.

Conversion factor: 1 kg = 2.205 lbs

Client weight (kg) = 66 lbs / 2.205 lbs/kg = 30 kg (round to nearest whole number)

Gentamicin dosage:

Prescribed dose: 2 mg/kg/dose (given)

Calculate the total gentamicin amount per dose:

Total dose (mg/dose) = Dose (mg/kg/dose) x Client weight (kg)

Total dose (mg/dose) = 2 mg/kg/dose * 30 kg

Total dose (mg/dose) = 60 mg (round to nearest whole number)

Therefore, the child should receive 60 mg of gentamicin sulfate per dose.

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Naxlex Comprehensive Predictor Exams

A client receives a prescription for IV ciprofloxacin 400 mg every 12 hours, which is to be infused over an hour. The IV bag contains ciprofloxacin 400 mg in dextrose 5% in water (DSW) 200 mL. How many mL/hr should the nurse program the infusion pump to deliver? (Enter numerical value only.)

Correct Answer is ["200"]

Explanation

A 9-year-old child who weighs 66 lb is to receive gentamicin sulfate 2 mg/kg/dose every 8 hours for an Escherichia coli urinary tract infection. How many mg per dose should this child receive? (Enter numeric value only.)

Correct Answer is ["60"]

Explanation

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