Combination Dosage Calculation Practice Problems

Combination Dosage Calculation Practice Problems 1. A provider prescribes digoxin (Lanoxin) 0.25 mg PO daily. The amount available is digoxin 0.125 mg/tab. How many tablets will the nurse administer? 2. A provider prescribes glipizide (Glucotrol) 15 mg PO 30 minutes before the client’s morning and evening meal. The amount available is glipizide 5 mg/tab. How many tablets will the nurse administer? 3. You have received an order to give 500 mg of ampicillin IV bolus every 8 hours. Available is ampicillin 500 mg in 100 mL to be infused over 30 minutes. To administer this medication, you should set the IV pump to deliver how many ml/hr? 4. A provider prescribes nifedipine (Procardia) 30 mg PO every 8 hours. The amount available is nifedipine 10 mg/cap. How many capsules will the nurse administer? 5. A nurse is preparing to administer valproic acid (Depakote) 500 mg PO every 12 hours. The amount available is valproic acid oral syrup 250 mg/5 mL. How many mL should the nurse administer per dose? 6. A nurse is preparing to administer furosemide (Lasix) 20 mg PO daily. The amount available is furosemide oral solution 40 mg/5 mL. How many mL should the nurse administer? 7. The order is for 15 mg/kg of acetaminophen PO every 4-6 hours as needed for pain or fever. The acetaminophen concentration is 160 mg/5 ml. The patient weighs 22 kg. How many ml will you administer per dose? 8. A nurse is preparing to administer phenobarbital (Luminal) 100 mg daily. The amount available is phenobarbital oral liquid 20 mg/5 mL. How many mL should the nurse administer? 9. The physician has ordered 80 mg/kg of amoxicillin to be given PO every 8 hours. Available is amoxicillin 250 mg/5 ml. The patient weighs 12 pounds., 8 oz. How many ml will the nurse administer for each dose? 10. A nurse is preparing to administer heparin 7000 units subcutaneously every 12 hours. Available is heparin injection 10,000 units/mL. How many mL should the nurse administer? 11. A provider prescribes progesterone (Progestaject) 5 mg IM daily for 6 days. Available is progesterone injection 50 mg/mL. How many mL should the nurse administer? 12. A patient needs to receive 500 mcg of digoxin daily. The digoxin comes in 0.125 mg tablets. How many tablets will the nurse give the patient? 13. A provider prescribes atropine 0.6 mg subcutaneous 30 minutes prior to surgery. Available is atropine injection 0.4 mg/mL. How many mL should the nurse administer? 14. A nurse is preparing to administer lactated Ringer’s 2 L IV to infuse over 24 hours. The nurse should set the IV pump to deliver how many mL per hour? Round to a whole number. 15. A nurse is preparing to administer 1.5 mg/kg gentamicin IV. The gentamicin concentration is 40 mg/ml. The patient weighs 42.6 pounds. How many ml of gentamicin will the nurse give? 16. A nurse is preparing to administer 0.9% sodium chloride 1,000 mL IV to infuse over 10 hours. The nurse should set the IV pump to deliver how many mL per hour? Round to a whole number. 17. The order is for levofloxacin 500 mg IVPB every 24 hours. Available is levofloxacin 500 mg in 100 ml D5W. The levofloxacin needs to be administered over 60 minutes. At what rate will the nurse set the IV pump (in ml/hr)? 18. A provider prescribes dextrose 5% in 0.45% sodium chloride 800 mL IV to infuse over 4 hours. The nurse should set the IV pump to deliver how many mL per hour? Round to a whole number. 19. A nurse is preparing to administer dextrose 5% in water 200 mL IV to infuse over 3 hours. The drop factor of the manual IV tubing is 10 gtt/mL. The nurse should set the manual IV infusion to deliver how many gtt/min? Round to a whole number. 20. A nurse needs to administer 1.5 L of Lactated Ringer’s (LR) over 20 minutes. The nurse will set the IV pump to deliver how many ml/hr? 21. A nurse is preparing to administer lactated Ringer’s 2 L IV to infuse over 12 hours. The drop factor of the manual IV tubing is 20 gtt/mL. The nurse should set the manual IV infusion to deliver how many gtt/min? Round to a whole number. 22. A nurse is preparing to administer lactated Ringer’s 1.5 L IV to infuse over 8 hours. The drop factor of the manual IV tubing is 15 gtt/mL. The nurse should set the manual IV infusion to deliver how many gtt/min? Round to a whole number. 23. The physician has ordered 3 million units of penicillin G potassium to be given IVPB every 6 hours. Available is 3 million units penicillin G potassium in 50 ml of normal saline. The infusion needs to be given over 2 hours. At what rate will the nurse set the IV pump (in ml/hr)? 24. A provider prescribes acetaminophen (Tylenol) 10 mg/kg PO PRN every 6 hours for pain. Available is acetaminophen elixir 160 mg/5 mL. The patient weighs 5 pounds, 4 ounces. The nurse should administer how many mL per dose? Round to the nearest hundredth. 25. A provider prescribes promethazine (Phenergan) 0.5 mg/kg IV bolus every 6 hours PRN nausea. Available is promethazine injection 25 mg/mL. The patient weighs 82 pounds, 11 ounces. The nurse should administer how many mL per dose? Round to the nearest hundredth. 26. A provider prescribes ranitidine (Zantac) 0.2 mg/kg PO daily. Available is ranitidine oral liquid 15 mg/mL. The patient weighs 51 pounds, 9 ounces. The nurse should administer how many mL per dose? Round to the nearest tenth. 27. A nurse is preparing to give 2 grams of ceftriaxone IVPB. The ceftriaxone is supplied as 2 grams in 50 mL of 5% dextrose. Ceftriaxone needs to be given over 2 hours. The nurse should set the IV pump to deliver how many mL/hr? 28. An order has been received to infuse 3.5L of LR in 12 hours. The drop factor of the IV tubing available is 20 gtt/mL. A. If the nurse will be using an IV pump, the pump should be set to deliver how many mL/hr? B. If the nurse is just using the IV tubing without an infusion pump, what drop rate will be used (in gtt/min)?