DOSAGE CALCULATIONS – PRACTICE GUIDE 2020

DOSAGE CALCULATIONS -PRACTICE 1. Order: Amoxicillin 0.25 g p.o. every 8 hours. Available: Amoxicillin 125mg tablets. How many tablets will the nurse give per dose? 2. Order: Zofran 8 mg p.o. t.i.d. Available: Zofran in a 100mL bottle labeled 4 mg/tsp. How many mL will the nurse administer for each dose? 3. Order: Morphine gr 1/10 Available: Morphine 10mg/mL How many mL will the nurse give? 4. Give Fortaz 50 mg/kg p.o. t.i.d. to a child who weighs 25.5 kg. Fortaz is available in an oral suspension labeled 100mg/mL. How many mL would the nurse administer per dose? 5. Give Ceclor 45 mg/kg/day p.o. in 3 divided doses for a patient who weighs 66 pounds. A 75 mL stock medication is labeled Ceclor 125mg/mL. How many mL would the nurse administer per dose? 6. LR 125 mL/hr via gravity flow using tubing calibrated at 15 gtt/mL. Calculate the flow rate. 7. One liter NS to infuse over 24 hours using a microdrip (gravity flow). Calculate the flow rate. 8. At the change of shift you notice 200 mL left to count in the I.V. bag. The I.V.is infusing at 80 mL/hr. How much longer will the I.V. run? (Express your answer in hours and minutes.) 9. Keflin 2g in I00 mL DsW IVPB over 20 minutes. The I.V. tubing is 15 gtt/mL. Calculate the flow rate. 10. The physician writes an order for heparin 900 units/hr. The label on the I.V. bag reads: Heparin 10,000 units in 500 mL D5W. How many mL/hr will deliver the correct dose? 11. Administer Heparin 1,000 units/hr from an l.V. bag mixed 40,000 units in 1 L DsW. How many mL/hr will deliver the correct amount of heparin? 12. The patient's heparin is infusing at 28 mL/hr on an infusion pump. The bag of fluid is mixed 20,000 units of heparin in 500 mL D5W. What hourly dose of heparin is the patient receiving? 13. The patient's heparin drip is infusing at 11 mL/hr on an infusion pump. The bag of fluid is mixed 25,000 units of heparin in 250 mL DsW. What hourly dose of heparin is the patient receiving? 14. Give Regular insulin by continuous I.V. infusion at 20 units/hr. The solution is 250 mL NS with 100 units of Regular insulin. What rate on the infusion pump will deliver the correct dose? 15. Administer a Theophylline drip at 40 mg/hr 1.V. The solution is 250 mL DsW +Theophylline 500 mg. What rate on the infusion pump will deliver the correct dose? 16. Give Tridil 15mcg/minute. Tridil is mixed 50 mg in 500 mL DsW. What rate on the infusion pump will deliver the correct dose? 17. Give Nitroprusside 5 mcg/kg/minute via continuous infusion for a patient weighing 205 lbs. Nitroprusside is available in a solution of 200 mg in 250 mL D5W. What rate on the infusion pump will deliver the correct dose? 18. A lidocaine drip is infusing at 30 mL/hr on an infusion device. The drug is mixed 2 g in 500 mL DsW. How many mg/minute is the patient receiving? 19. Aminophylline is infusing at 30mL/hr. The drug is mixed 250 mg in 500 mL D5W. How many mg/hr is the patient receiving? 20. Give propofol 10mcg/kg/minute. The infusion is mixed propofol 250 mg in 250 mL DsW. The patient weighs 168pounds. What rate on the infusion pump will deliver the correct dose? CONTINUED.....DOWNLOAD FOR MORE PRACTICE