N200 Dosage Calculation Practice Questions | 20 Questions for Retake | Nursing Exam Prep

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N200 Dosage Calculation Practice Questions - 20 Qtns for
Retake
dosage calculations (Boston University)




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Ati dosage calculation n200 retake

Total Questions : 20

Showing 20 questions

Question 1:

A patient is ordered a continuous heparin infusion at 16 units/kg/hr. The patient
weighs 176lbs. Heparin is supplied in 50000 units/500mL. At what rate will the
nurse set the pump?


Explanation
Correct Answer: 12.8

1. Convert pounds to kilograms:

176 lbs/2.20462 kg =80 kg

2. Calculate the desired heparin infusion rate:

16 units/kg/hr x 80kg = 1280 units/hr

3. Determine the concentration of heparin in the solution:

50000 units / 500 mL = 100 units/mL

4. Calculate the infusion rate in millilitres per hour:

1280 units/hr / 100 units/mL =12.8 mL/hr




A




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Question 2:

A patient is ordered medication 100units/kg SQ. The medication is supplied in
10000 units/mL The patient weighs 220 lbs. What should the nurse administer?


Explanation
Correct Answer: 1

Let's calculate the dosage step-by-step:

1. Convert pounds to kilograms:
220 lbs/2.20462 kg = 99.8 kg

2. Calculate the total dosage:
100 units/kg x 99.8 kg = 9980units

3. Determine the concentration of the medication:
10000 units/mL

4. Calculate the volume needed:
9980 units / 10000 units/mL = 1 mL




A




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