A nurse needs to administer an IV infusion at a rate of 2000mL over 12 hours. How many mL/hr should be delivered?

150mL/hr

166mL/hr

175mL/hr

200mL/hr

Answer and Explanation

The Correct Answer is B

To calculate the infusion rate in mL/hr, the nurse should divide the total volume in mL by the total infusion time in hours. In this case, the total volume is2000mL and the total infusion time is 12 hours so, the nurse should deliver 2,000mL/12hr=166mL/hr.

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Correct Answer is A

Explanation

To calculate the volume of liquid medication to administer based on its concentration and prescribed dose, the nurse should divide the prescribed dose by concentration and multiply by the volume in which concentration is expressed. In this case, the concentration is 250 mg/5mL and the prescribed dose is 750 mg so, the nurse should administer(750mg/250mg)x5mL=15mL of medication. Since 1 tsp is equivalent to 5mL, the nurse should administer 15mL/5mL/tsp=3tsp of medication.

A. 350 mg B. 300 mg C. 250 mg D. 200 mg

Correct Answer is A

Explanation

To calculate the dose of a medication based on the client’s weight, the nurse should multiply the recommended dose by the client’s weight in kg. In this case, the recommended dose is 5 mg/kg and the client weighs 70 kg, so the nurse should administer 5 mg/kg x 70 kg = 350 mg of the medication.

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A nurse needs to administer an IV infusion at a rate of 2000mL over 12 hours. How many mL/hr should be delivered?

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Naxlex Comprehensive Predictor Exams

A client has been prescribed an oral suspension with a concentration of 250 mg/5mL. The prescribed dose for the client’s weight and condition is 750 mg. How many teaspoons (tsp)of suspension should be administered?

Correct Answer is A

Explanation

A nurse is preparing to administer a medication with a recommended dose of 5 mg/kg. The client weighs 70 kg. How many mg of the medication should the nurse administer?

Correct Answer is A

Explanation

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