ATI DOSAGE CALCULATIONS – 100% CORRECT SOLUTION GUIDE

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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 t ... o 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) over one 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 to the 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 .........................................................................................................................................................................CONTINUED [Show More]

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