Dosage Calculations FINAL Exam Version 1 KEY Questions and Answers

1. Furosemide 50mg IV push now. Available: Furosemide 40mg/10mL How many mL will you give? Answer 12.5 2. The IV order is for D5W to infuse at 100 mL/hr. The drop factor is 10 gtt/mL. How many drops per minute (gtt/min) should the IV be regulated? Answer 17 3. 4 Tablespoons = teaspoons? Answer 12 4. Order: Cinoxacin 1 g/day, PO, in two divided doses Drug available: 500 mg capsules How many milligrams would you give per dose? Answer 500 5. The medication order is to administer Prozac 40 mg PO qid. Available: Prozac liquid 20 mg per 5 mL How many mL will you administer? Answer 10 6. Order: 35 mg of a medication by mouth tid Patient weight: 99 pounds Safe dose range: 2 to 4 mg/kg/day This is a safe medication order. A) True B) False Answer A) True 7. The nurse wants to give 2 g of magnesium sulfate and has available a medication labeled 50% magnesium sulfate in 20 mL. How many mL will the nurse administer? Answer 4 8. The BSA of a 5-year-old patient is 0.9 m2 Medication order: Carmustine 75 mg/m2 every day times 2 days Available: 100 mg/10 mL vial The patient would receive a dose of mL/day times 2 days. Answer 6.8 9. Order: LR 1000 mL at 90 mL/hr. How many hours are required to administer the following fluid at the given rate? Answer 11.1 10. The BSA of a patient who is 3 years old is 0.62 m2. Medication order: Daunorubicin 25 mg/m2 weekly Available: 2 mg/mL in 25 mL vial The patient would receive a dose of mg/week. Answer 15.5 11. Medication order: lidocaine, continuous infusion at 2 mg/min on the infusion pump. Available: IV of 500 mL D5W with 2 g lidocaine added What will be the hourly rate for the infusion pump (mL/hour)? Answer 30 12. Patient weight: 32 kg Medication order: Nitroprusside 2 mcg/kg/min Pediatric dose: 200-500 mcg/kg/hr Drug available: Nitroprusside 50 mg/5 mL Dilution: 50.5 mg in 250 mL of NS at 19 mL/hr Will this dilution deliver 2 mcg/kg/min? A) True B) False Answer A) True 13. What is the weight in pounds of someone who weighs 100 KGs? Answer: 220 14. Calculate the total dose of a medication to be administered if a patient weighs 22 pounds and is to be given 60 mg/kg/day? Answer 600 15. Order: D5 1/4 1000 mL at 100 mL/hr. How many hours are required to administer the following fluid at the given rate? Answer 10 16. Medication order: Meperidine (Demerol) 35 mg, IM, q4–6h, prn. Using the following drug label, how many milliliters of Demerol would you give per dose? Answer 0.7 17. Medication order: Heparin 25,000 units in 500 mL, infuse 4000 units/hr How many mL per hour do you need to infuse to deliver 4000 units/hr? Answer 80 18. Order: D10W at 40 mL/hr. What is the drop rate per minute if the drop factor is 15 gtt/mL? Answer 10 19. Medication order: Meperidine 70 mg and Atropine sulfate 0.4 mg, IM, STAT. Using the following drug labels, how many milliliters of meperidine would you give? Answer 0.7 20. Medication on hand: Insulin 50 units in 100 mL How many units per mL? Answer 0.5 .................................................................................................CONTINUE