ATI DOSAGE CALCULATIONS – 100% CORRECT SOLUTION GUIDE

ATI DOSAGE CALCULATIONS – 100% CORRECT SOLUTION GUIDE 1. The order is to give 60 mg of Garamycin (gentamicin) IM every 8hr. The vial is labeled 80 mg/ 2 mL. How many mL will you give? ? mL = 2mL/80 mg X 60 mg/(1) = 12/8 = 1.5 mL 2. The patient is to receive 65 Units of a drug. The vial is labeled 50 Units per 2 mL. How many mL will you give? ? mL = 2 mL/50 units X 65 units/(1) = 130/50 = 2.6 mL 3.The patient is to receive 0.6 g of a drug. How many mg will you give? ? mg = 1000 mg/1 g X 0.6 g/(1) = 600/1 = 600 mg 4.The patient received 400 mL of fluid. How many L did she receive? ? L = 1 L/1000 mL X 400 mL/(fluid) = 4/10 = 0.4 L 5..The patient weighs 160 pounds. How many Kg does he weigh? ? kg = 1 kg/2.2 lbs X 160 lbs/(patient) = 160/2.2 = 72.7 kg 6.The patient is to receive 50 mg of a drug. How many g will you give? ? g = 1 g/1000 mg X 50 mg/(drug) = 5/100 = 0.05 g 7.The physician has ordered 300 mg of a drug. The vial is labeled 150 mg / 2 mL. How many mL will you give? ? mL = 2 mL/150 mg X 300 mg/(some drug) = 60/15 = 4 mL 8. If the patient receives 45 mL of a drug, How many ounces does he receive? ? ozs = 1 oz/30 mL X 45 mL/(drug) = 45/30 = 1.5 oz 9. You have an order to give 120 Units of Vitamin D. If the vitamin comes in capsules containing 60 Units, how many capsules will you give? ? caps = 1 cap/60 units X 120 units/(Vit.D) = 12/6= 2 capsules 10. The patient is to receive 450 mg of an antibiotic. The vial contains a powder to be reconstituted. The label of the vial reads: Kefzol (cefazolin) 1 g. To reconstitute: Add 2.5 mL sterile water for injection to provide a volume of 3mL. How many mL of solution are needed to provide the patient with the prescribed dose? ? mL = 3 mL/1 g X 1 g/1000 mg X 450 mg/(some ABX) = 135/100 = 1.4 mL 11. You have an order of 5 mg / kg dose of medication for a patient weighing 22 pounds. How many mg will you give? ? mg = 5 mg/kg X 1 kg/2.2 lbs X 22 lbs/(patient) = 110/2.2 = 50 mg 12..The doctor orders 5 mg of Valium (diazepam) for the patient. The vial reads:20 mg per 2 mL How many mL will you give? ? mL = 2 mL/20 mg X 5 mg/(Valium) = 10/20 = 0.5 mL 13.The patient is to receive 500 mL of D5W over 6 hours . What is the drip rate per minute if the tubing provides 12 gtts per mL? ? gtts/min = 12 gtts/1 mL X 500 mL/6 hrs X 1 hr/60 mins = 600/36 = 16.7 = 17 gtts/min 14.The patient is to be given 20 units of a drug. The vial is labeled 50 units/ 2 mL. How many mL will you give? ? mL = 2 mL/50 units X 20 units/(drug) = 4/5 = 0.8 mL 15. The patient has an order for 1.2 g of a drug. How many mg will you give? ? mg = 1000 mg X 1.2 g/(drug) = 1200/1 = 1200 mg 16.The patient is to receive 40 mg of a drug in 50 mL of NS (Sodium Chloride) overone half hour. What is the drip rate per minute if the tubing provides 15 gtts per ml? ? gtts/min = 15 gtts/1 mL X 50 mL/30 mins = 75/3 = 25 gtts/min 17.The patient has Demerol 75 mg ordered. for complaint of pain. The drug is available as 50 mg per 1 mL. How many mL ? mL = 1 mL/50 mg X 75 mg/(Demerol) = 75/50 = 1.5 mL 18.A drug comes packaged as 10,000 Units/2 mL. The order for your patient is 6,500 Units. How many mL will you give? ? mL = 2 mL/10,000 units X 6,500 units/ (drug ordered) = 130/100 = 1.3 mL 19.An IV of 5% Dextrose in Water (D5W) 500 mL is ordered to infuse over 6 hours. What will the rate per hour be? ? mL/hr = 500 mL/6 hrs = 83.3 mL/hr 20.The order is 5% Dextrose in Water (D5W) 250 mL to infuse over 4 hours. How much per hour should be infused? ? mL / hr = 250 mL/4 hrs = 62.5 mL/ hr 21.A drug comes packaged as 5,000 Units per mL and you must give 4,000 Units. How many mL will you administer? ? mL = 1 mL/5000 units X 4000 units/(1) = 4/5 = 0.8 mL 22.A drug is ordered at 500 mg IV every 6 hr. When 2 mL of dilutent is added tothe 500 mg vial, each mL equals 200 mg. How many mL will you give? ? mL = 1 mL/200 mg X 500 mg/(drug) = 500/200 = 2.5 mL 23. You are to give 350 mg po of a drug. The stock supply is 0.5 g/tablet. How many tablets will you give? ? tablets = 1 tab/0.5 g X 1 g/1000 mg X 350 mg/(drug) = 350/500 = 0.7 tablets 24. The doctor has ordered 0.6g of a drug. Pharmacy has supplied 300 mg tablets. How many tablets will you give? ? tablets = 1 tab/300 mg X 1000 mg/1 g X 0.6 g/(drug) = 600/300 = 2 tablets 25. You have an order of 3mg/kg per dose of medication for a patient weighing 11 pounds. How many mg will you give per dose? ? mg = 3 mg/kg X 1 kg/2.2 lbs X 11 lbs/(patient) = 33/2.2 = 15 mg 26. The doctor orders Valium (diazepam) 4mg IV every 6 hrs prn restlessness. The vial is labeled 10 mg /2 mL. How many mL will you administer? ? mL = 2 mL/10 mg X 4 mg/(Valium) = 8/10 = 0.8 mL 27. The doctor orders a 4 mg/kg per dose of a drug for a 24 pound child. How many mg do you administer? ? mg = 4 mg/kg X 1 kg/2.2 lbs X 24 lbs/(child) = 96/2.2 = 43.6 mg 28. The patient is to receive Ampicillin, 50 mg, in 100 mL of NS (Sodium Chloride) over one half hour. What is the drip rate per minute if the tubing provides 12 gtts per mL? ? gtts/min = 12 gtts/1 mL X 100 mL/30 mins = 1200/30 = 40 gtts/min 29. The patient is to receive 500 mL of D5W over 8 hours . What is the drip rate per minute if the tubing provides 12 gtts per mL