The healthcare provider prescribes a slow continuous infusion of labetalol to be administered at 2mg/minute. Labetalol HCI Injection, USP 200 mg/40 mL is added to 160 mL of 5% Dextrose Injection, USP for a total volume of 200 mL. How many mL/hour should the nurse program the infusion pump?

(Enter numerical value only.)

Answer and Explanation

The Correct Answer is ["6"]

To calculate the infusion rate in mL/hour, we can use the following formula:

Infusion rate (mL/hour) = Dose (mg/minute) x 60 / Concentration (mg/mL) In this case, the dose is 2 mg/minute and the concentration is:

200 mg/40 mL = 5 mg/mL

We can calculate the infusion rate as follows:

2 mg/minute x 60 / 5 mg/mL = 24 mL/hour

However, the total volume of the solution is 200 mL. Therefore, we need to adjust the infusion rate to ensure that the medication is infused over the correct time period. If we divide the total volume by the infusion time, we can calculate the infusion rate required to deliver the medication over that time period:

200 mL / (120 minutes) = 100 mL/hour

So we need to adjust our initial calculation to ensure that we are infusing at a rate of 100 mL/hour. We can do this by using a proportion:

2 mg/minute x 60 / 5 mg/mL = X mL/hour x 1 Solving for X gives us:

X = (2 x 60 x 1) / 5 = 24 mL/hour

So we should program the infusion pump to deliver 6 mL/hour.

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Free Nursing Study Resources

Correct Answer is ["6"]

Explanation

To calculate the infusion rate in mL/hour, we can use the following formula:

Infusion rate (mL/hour) = Dose (mg/minute) x 60 / Concentration (mg/mL) In this case, the dose is 2 mg/minute and the concentration is:

200 mg/40 mL = 5 mg/mL

We can calculate the infusion rate as follows:

2 mg/minute x 60 / 5 mg/mL = 24 mL/hour

200 mL / (120 minutes) = 100 mL/hour

So we need to adjust our initial calculation to ensure that we are infusing at a rate of 100 mL/hour. We can do this by using a proportion:

2 mg/minute x 60 / 5 mg/mL = X mL/hour x 1 Solving for X gives us:

X = (2 x 60 x 1) / 5 = 24 mL/hour

So we should program the infusion pump to deliver 6 mL/hour.

Correct Answer is ["1.85"]

Explanation

The healthcare provider prescribes lorazepam at a dose of 50 mcg/kg intramuscularly 2 hours before a scheduled procedure for a client who weighs 74 kg.

The client should receive 3700 mcg of lorazepam (50 mcg/kg * 74 kg). Since 1 mg is equivalent to 1000 mcg, 3700 mcg is equivalent to 3.7 mg.

The medication is available in a 2 mg/mL vial, so the nurse should administer 1.85 mL of medication (3.7 mg / 2 mg/mL).

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Nursing Test Bank

Naxlex Comprehensive Predictor Exams

Correct Answer is ["6"]

Explanation

Correct Answer is ["1.85"]

Explanation

A client who is experiencing indigestion receives a prescription for magnesium hydroxide 1200 mg by mouth every 6 hours. The bottle is labeled "Magnesium Hydroxide, USP 400 mg per 5 mL." How many ounces should the nurse instruct the client to take with each dose? (Enter numerical value only.)

The nurse is preparing to administer enoxaparin 135 mg subcutaneously. The medication is available in a cartridge labeled 150 mg/mL. How many mL should the nurse administer? (Enter numeric value only. If rounding is required, round to the nearest tenth.)

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