A patient who weighs 91 kg receives a prescription for a continuous infusion of dopamine at 3 mcg/kg/min. The solution is labeled, “Dopamine 400 mg in 5% Dextrose injection 250 mL.” How many mL/hour should the nurse program the infusion pump to deliver? (Enter numeric value only. If rounding is required, round to the nearest tenth.)

Answer and Explanation

The Correct Answer is ["20.7 mL\/hour"]

To find the answer, we can use the following steps:

- Calculate the dosage of dopamine in mcg/hour by multiplying the weight in kg by the rate in mcg/kg/min and by 60

- Calculate the concentration of dopamine in the solution by dividing the amount of dopamine in mg by the volume of solution in mL and multiplying by 1000

- Divide the dosage of dopamine by the concentration of dopamine in the solution to get the volume to be delivered in mL/hour

- Round the result to the nearest tenth

Using these steps, we get:

- (dosage of dopamine in mcg/hour) = (91) x (3) x (60) = 16,380 mcg/hour

- (concentration of dopamine in solution) = (400 / 250) x (1000) = 1600 mcg/mL

- (volume to be delivered in mL/hour) = (16,380) / (1600) = 10.2375 mL/hour

- (rounded volume to be delivered in mL/hour) = 10.2 mL/hour

Therefore, the nurse should program the infusion pump to deliver 10.2 mL/hour of dopamine in 5% dextrose injection to the patient.

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Correct Answer is ["100 mL\/hour"]

Explanation

To find the answer, we can use the following formula:

(mL/hour) = (mL/minute) x 60

Substituting the given values, we get:

(mL/hour) = (150 / 90) x 60

Simplifying, we get:

(mL/hour) = 1.667 x 60

(mL/hour) = 100

Therefore, the nurse should program the infusion pump to deliver 100 mL/hour of ganciclovir in IV bag.

Correct Answer is ["2"]

Explanation

To find the answer, we can use the following steps:

- Calculate the volume of loratadine suspension in mL by dividing the dose in mg by the concentration in mg/mL

- Convert the volume in mL to teaspoons by multiplying by 0.2

- Round the result to the nearest whole number

Using these steps, we get:

- (volume in mL) = (10) / (5 / 5) = 10 mL

- (volume in teaspoons) = (10) x (0.2) = 2 teaspoons

- (rounded volume in teaspoons) = 2 teaspoons

Therefore, the nurse should instruct the client to take 2 teaspoons of loratadine suspension.

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Naxlex Comprehensive Predictor Exams

A client receives a prescription for ganciclovir 375 mg intravenously (IV) every 12 hours to infuse over 90 minutes. The pharmacy delivers ganciclovir 375 mg in a 150 mL IV bag. How many mL/hour should the nurse program the infusion pump? (Enter a whole number only.)

Correct Answer is ["100 mL\/hour"]

Explanation

A client receives a prescription for loratadine suspension 10 mg by mouth once a day. The bottle is labeled "Loratadine for Oral Suspension, USP 5 mg per 5 mL." How many teaspoons should the nurse instruct the client to take? (Enter numerical value only.)

Correct Answer is ["2"]

Explanation

The healthcare provider prescribes streptomycin 200 mg intramuscularly every 12 hours. The vial is labeled, "Streptomycin 1 gram/2.5 mL." How many milliliters should the nurse administer? (Enter numerical value only. If rounding is required, round to the nearest tenth.)

The nurse plans to administer a bolus dose of IV Heparin based on the client's weight. The prescribed bolus dose is 100 units/kg. The client weighs 198 pounds. How many units of Heparin should the nurse administer? (Enter numeric value only.)

A child who weighs 66 pounds receives a prescription for amoxicillin 80 mg/kg/day by mouth in divided doses every 12 hours. The bottle is labeled, "Amoxicillin for Oral Suspension, USP 400 mg per 5 mL." How many mL should the nurse administer with each dose? (Enter numerical value only.)

A patient is receiving a secondary infusion of vancomycin 1,500 mg in 250 mL to be infused over two hours. The IV administration set delivers 10 gtt/mL. How many gtt/min should the nurse regulate the infusion? (Enter numerical value only. If rounding is required, round to the nearest whole number.)

A client receives a prescription for amoxicillin 2 g/clavulanate 125 mg by mouth every 12 hours for 10 days. The medication is available in 1000 mg/62.5 mg extended release tablets. How many tablets should the nurse administer? (Enter numerical value only.)

The healthcare provider prescribes lamivudine oral solution 150 mg twice daily for a client who is HIV positive. The available bottle contains 240 mL of lamivudine labeled, "10 mg/mL." How many mL should the nurse administer in a 24 hour period? (Enter numeric value only.)