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Pharmacy Math

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
        Help!  

Term
Definition
Change the following Arabic number XIV   show
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Change the following Arabic number XXIV   show
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show 60  
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Change the following Arabic number CXX   show
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Change the following Arabic number IX   show
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show 0000  
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show 1111  
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show 9:01 PM  
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Convert each time to international or standard time 2359   show
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Convert each time to international or standard time 1417   show
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show 176 degrees F  
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show 22.2 degrees C  
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show 149 degrees F  
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show 0 degrees C  
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show 98.6 degrees F  
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Convert to Fahrenheit or Celsius (F=(1.8xC) + 32) (C=(F-32/1.8)) 86 degrees F to C   show
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Convert the following fractions to decimals 1/2   show
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show 0.75  
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Convert the following fractions to decimals 2 1/2   show
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show 0.17  
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show 1.8  
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show 0.5  
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Convert the following percentages to decimals 12%   show
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show 1.75  
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show 0.025  
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Convert the following percentages to decimals 350%   show
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Solve the following proportions 2/10 = 4/x   show
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Solve the following proportions 4/40 = x/100   show
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show x = 52.18  
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Solve the following proportions 250/500 = 750/x   show
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show x = 1000  
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Use ratio/proportion or dimensional analysis to solve: Order: for metoprolol tartrate 100 mg tablet twice a day for 30 days. Stock: 50 mg tablets, How many tablets will it take to fill this 30-day supply?   show
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show 28 capsules  
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show give 1/2 tabs  
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show give 3 caps  
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Use ratio/proportion or dimensional analysis to solve; Stock: 4-mg tablets; dose 8 mg   show
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Use appropriate conversion: You receive a physician's order for 0.88 mcg of drug A. What is the equivalent in milligrams   show
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show 0.005 kg  
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show 250,000 mcg  
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Use appropriate conversion: You receive a physician's order for 250 mg of drug D. What is the equivalent in grams?   show
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show 500g  
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show 1 tablespoons = 15 mL  
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Household Volume Conversions: 1 ounces = __ tbsp. = __ mL   show
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Household Volume Conversions: 1 cup = __ ozs =__ mL   show
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Household Volume Conversions: 1 pint = __ tbsp. = __ mL   show
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show 768 teaspoons = 3840 mL  
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show 80 tablespoons = 1200 mL  
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show 4 cups = 960 mL  
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Apothecary System: NTG gr 1/100 = milligrams   show
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Apothecary System NTG gr 1/200 = milligrams   show
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show 30 mg  
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Apothecary System aspirin gr x = Milligrams   show
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show gr V  
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show gr ii  
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Apothecary System 1 oz = ___ fluid drams   show
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show 4 fluid drams  
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Dimensional Analysis Order: 25 mg; stock 10mg/mL =   show
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Dimensional Analysis Order: 25 mg; stock: 40 mg/mL =   show
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show give 0.4 mL  
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show give 20 mL  
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show give 1/2 teaspoon  
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show 9.94 grams per dose  
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Dosing Using Body Weight; Dose ordered: 55 mg/kg/day (q8h). Patient weighs 48 lb. How many mg per dose?   show
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show 28.2 grams per dose  
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Dosing Using Body Weight; Dose ordered: 1.12 mg/kg/day (q6h). Patient weighs 98 lb. How many mg per dose?   show
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show 360 mg  
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Body Surface Area Patient: length 65 inches; weight 150 lb; BSA 1.8 m2; dose 2.5 g/m2 =   show
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show 2.5 mL  
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show 1.6 mL  
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Milliequivalents Order 30 mEq; stock 20-mEq tablets; give ____ tablets   show
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show 22.5 mL  
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Milliequivalents Order: 46 units Regular insulin: stock: Regular Insulin 100 units/mL; draw up ____ mL   show
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Infusion Rates and Drip Rates Order: 2-L TPN to run at 150 mL/hr. How many hours will this solution last? ____ hours   show
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show 20.8 mL/hr  
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Infusion Rates and Drip Rates Order: 1 L of NS to run at 100 mL/hr. How many hours will this solution last? ____ hours   show
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show a. 41.7 mL/hr b. 14 gtt/ min  
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Infusion Rates and Drip Rates Heparin 20,000 units in 1 L over 24 hours. The drop factor is 50 gtt/mL a. How many mL would be delivered per hour? b. What is the flow rate in drops/min?   show
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show 14 gtt/ min  
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show a. 42 gtt/min  
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Infusion Rates and Drip Rates Order 2.5 - L solution to run over 20 hr. The tubing size is 15 gtt/mL a. How many drops per minute will be delivered?   show
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show 42.5 grams  
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Calculate the strength in the following problems 170 g of medication is dissolved in 1 L of water; what is the percentage strength of the solution formed/   show
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show 12.5 grams  
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show 1:5  
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Calculate the strength in the following problems How many mg of drug are in 20 mL of a 1% solution   show
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show 4%  
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SV * SP = DV * DP A pharmacist has weighed 3 g of coal tar (100 % strength) and given it to the technician to compound a 1% ointment. What will be the final weight of the correctly compounded prescription?   show
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SV * SP = DV * DP An order calls for 120 mL of 10% magnesium sulfate solution, and you have a 25% magnesium sulfate solution. How many milliliters of the 25% solution will you use?   show
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SV * SP = DV * DP You are to prepare 50 mL of a 1:100 rifampin suspension from a stock 1:20 rifampin suspension. How many milliliters of the 1:20 suspension will you need?   show
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SV * SP = DV * DP The pharmacist receives a prescription for 100 mL of a 30% hydrochloric acid solution. The pharmacy carries a 90% hydrochloric acid solution. How many milliliters of the concentrated solution are needed to fill the prescription?   show
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SV * SP = DV * DP A stock bottle of Lugol's solution contains 4 ounces from the original pint bottle. The technician is able to make four 8-ounce bottles of a more dilute 4% solution. What was the original percentage strength of Lugol's solution?   show
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show 115 mL of 70%; 385 mL of 5%  
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Alligation Alternate Order: Compound a 2.5% solution from a 10% stock solution and water for a total volume of 8 oz. How many mL of each solution do you need? Hint: Change 8 oz to mL first   show
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show $50 $100 $150  
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Calculate the dollar amount by using the following percentages $956 = _____15%_____55%_____85%   show
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show $410.00 $820.00 $1230.00  
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show $261.23 $574.70 $783.68  
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6.2% of a $2,100 bill will be given as a discount if the bill is paid before the 15th of the month. What is the savings to the pharmacy if the bill is paid early?   show
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The pharmacy's drug wholesaler will give a discount of 2% if the bill is paid within 1 week; calculate the final bill if the amount due is $6,544.   show
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Your pharmacy received an order of 144 bottles; 25% of the bottles were damaged. How many damaged bottles are being returned?   show
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show $350.85  
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show $0.44  
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show 12.5 mL/hr ( mL/hr = 250 mL / 10,000 units x 500 units/hr)  
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An order cimetidine 300 mg tab qid x 30 days. In stock: cimetidine 150 mg tablets   show
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An order tobramycin IV 60 mg in D5W 50 mL. In stock: tobramycin 40 mg/mL in 2-mL vials. How many milliliters are needed to fill the order?   show
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show  
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