DAVIDSON DAVIE COMMUNITY COLLEGE
ASSOCIATE DEGREE NURSING PROGRAM
NUR 114
Dosage Calculation Practice Problems
1. The provider orders Heparin 1,000 units/hr. The pharmacy sends Heparin 20,000 units in
1500 mL of D5W. How many mL per hour will the nurse program the pump?
2. An I.V. is infusing Heparin 25,000 units in 2500 mL D5NS at 45 mL/hr. How many
units are infusing per hour?
Use the Heparin protocol provided in the NUR 211 Dosage Calculation PPT. Your
patient weighs 121 lbs.
3. Calculate the initial bolus dose (units) and dosage in mL.
4. Calculate the initial rate.
5. Calculate the IV bolus dose if the patients aPTT was 57.
6. Calculate the rate change if the patient’s aPTT was 57.
7. The provider has ordered xylocaine 2mg/min I.V. You have xylocaine 1gram in 500 mL
D5W. At what rate will the RN program the IV pump?
8. The provider orders dobutamine 1 mcg/kg/min IV. Your patient weighs 173.8 lbs. You
have dobutamine 250 mg in 500 mL D5W. What is the desired dose?
9. What is the rate in mL/hr?
10. The provider orders morphine sulfate 2 mg/hr. The pharmacy sends morphine sulfate 20
mg in 200 mL D5W. What rate will the RN program the IV pump?