PTCB Practice Exam (Math)

A drug sells for $29.99 retail and has a wholesale cost of $19.74. The dispensing cost is $3.20. What is the pharmacy's net profit? A $10.25 B $29.99 C $3.20 D $7.05 - Answer- $7.05 Gross profit is selling price minus purchase price. For net profit you also need to subtract the dispensing cost as well. You are planning to prepare 600 mL of 20% dextrose solution, by mixing your 5% and 50% dextrose solution. How much of each solution will be needed? A 350 mL of the 50% and 250 mL of the 5% B 300 mL of the 50% and 100 mL of the 5% C 200 mL of the 50% and 400 mL of the 5% D 300 mL of the 50% and 300 mL of the 5% - Answer- 200 mL of the 50% and 400 mL of the 5% Seventy-four degrees Fahrenheit is equal to what temperature in Celsius? A 74.0 B 23.3 C 18.3 D 30.7 - Answer- 23.3 To convert from Fahrenheit to Celsius, subtract 32 from the Fahrenheit temperature and then divide by 1.8. Convert 5.5 kg to pounds. A 1.21 lb B 55 lb C 12.1 lb D 0.55 lb - Answer- 12.1 lb A kilogram is equal to 2.2 pounds. 5.5 X 2.2 = 12.1 The percent equivalent of a 1:125 ratio is: A 12.5% B 0.8% C 8.0% D 0.08% - Answer- 0.8% Percent means parts per hundred. 1/125 = x/100 which means 125x = 100 which means x = 0.8 Patient is to be given 90 mg dose of naproxen via suspension containing 25 mg of naproxen per 10 mL. How many mL must be administered? A 28 mL B 40 mL C 36 mL D 32 mL - Answer- 36 mL How many tsp are in 100 ml? A 100 tsp B 50 tsp C 20 tsp D 10 tsp - Answer- 20 tsp Conversion: 1 teaspoon (tsp) = 5 mL 100 mL / 5 mL/tsp = 20 tsp Patient is to be given 70 mg dose of naproxen via suspension containing 25 mg of naproxen per 10 mL. How many mL must be administered? A 28 mL B 40 mL C 36 mL D 32 mL - Answer- 28 mL How many capsules would be needed to fill an order with the following Prednisone taper sig? iii cap po hs x10d ii cap po hs x7d i cap po hs x7d - Answer- 51 tablets Which of the following temperatures listed is the coldest? A. 32 degrees Fahrenheit B. 0 degrees Celsius C. 30 degrees Fahrenheit D. -2 degrees Celsius - Answer- -2 degrees Celsius A patient weighs 218 lbs. What is their weight in Kg? A. 479 kg B. 109 kg C. 409 kg D. 99 kg - Answer- 99 kg Dr. Chalke has a dental practice in Smiley, Texas. What should the final number in his DEA number be? The first 8 numbers are AD_ A. 8 B. 2 C. 4 D.5 - Answer- 8 You receive the following order: 15 g topical steroid cream containing 12% concentration. Your pharmacy has only 10% and 15% on hand. How much of each can you combine to fill this order? A. 6 g of 15% and 9 g of 10% B. 10 g of 10% and 5 g of 15% C. 8 g of 10% and 7 g of 15% D. 3 g of 15% and 12 g of 10% - Answer- 6 g of 15% and 9 g of 10% Your pharmacy has a 40% markup and a $1.75 dispensing fee. The wholesale price for 10 Viagra is $120.00. What will the retail price be? A. $ 201.75 B. $ 188.50 C. $ 169.75 D. $ 125.75 - Answer- $ 169.75 To prepare a prescription you need to measure 2.75 ounces. You have graduated cylinders available. Which would be the best cylinder to use for accuracy? A. 75 mL B. 100 mL C. 125 mL D. 150 mL - Answer- 100 mL Which is incorrect? A. 554= DLIV B. 122= CXXII C. 264= CCLXIV D. 159= CLVIIII - Answer- 159= CLVIIII 1 Liter of solution contains 5 grams of drug. How much would be present in 750 mL of this solution? A. 3750 mg B. 1500 mg C. 2750 mg D. 4000 mg - Answer- 3750 mg What would 25°C be in F°? A. 17°F B. 50°F C. 77°F D. 102°F - Answer- 77°F A 14 year old boy is 5'2" and he weights 110 lbs. He's prescribed by his doctor to take 5mg/Kg of drug "A" daily. What will his dose be? A. 1200mg B. 1250mg C. 150mg D. 250mg - Answer- 250mg What is C C X L equal to? A. 2540 B. 265 C. 2040 D. 240 - Answer- 240 Mrs. McTarnahan is picking up an order of drug "T" #100 tablets which costs her $122.00. While you're ringing up her order, she asks "How much does each tablet cost?" What is she being charged for each tablet? A. $.12 B. $1.22 C. $12.20 D. $.012 - Answer- $1.22 What is 2.5 ounces equal to in mL?