Pharmacy Math Skills Self-Assessment for Incoming P1 Students (Please allow 50 minutes and no calculators)

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1 Pharmacy Math Skills Self-Assessment for Incoming P1 Students (Please allow 50 minutes and no calculators) A similar assessment will be given during the P1 orientation week as part of the course requirement for PHAR 3122 Pharmacy Calculations. For passing, students need to answer at least 21 questions correctly out of a total of 25 questions in 50 minutes without a calculator = = = (provide the answer as a fraction in its simplest form) You are a compounding pharmacist and need to prepare a script of 12 rectal suppositories. If the formula for each suppository consists of 1 gram of drug and 1 5 grams of cocoa butter 3 6 base. What is the total weight in grams for 12 suppositories? Page 1 of 6

2 = (provide the answer as a fraction in its simplest form) Convert 1 8 to a decimal expression and a percent expression: and 7. Convert 0.073% to a decimal expression, a fraction expression, and a scientific notation expression:,, and 8. Solve for x: 1 x + 8 = 2(3x 7) x = 2 9. A female patient had an annual check-up at the doctor s office. Her weight and height measurements are 80 kilograms and 65 inches. The formula of ideal body weight (IBW) for females is 45.5 kg kg for each inch of patient height over 60 inches. What is the IBW for this patient? Page 2 of 6

3 10. If 2ac + 5 = b, what is the expression for c? 11. Write a valid equation for eight more than the product of x and 5 equals If x = 3, y = 4, and z = 7, 2x 3 + 8y 1 2 z 0 = 13. Simplify: a2 b d2 = c 4 d b 2 c The ph value of a solution is calculated as: ph = log 10 [H + ], where [H + ] is the hydrogen ion concentration in mol/liter. If the typical stomach fluid ph is 2, what is the hydrogen ion concentration in the stomach fluid? Page 3 of 6

4 15. On a map, 1 inch = 4 miles. Alex and Grant were on a quest to find the cure for arithmophobia, the fear of numbers. You see on the map that they traveled 2 inch on Day 1 and 3 inches on Day 2. How many miles did they travel in total? 16. If 2 tablets contain 50 mg hydrochlorothiazide, how many tablets do you need to have a total of 2000 mg hydrochlorothiazide? 17. If an eye drop bottle contains 3 mg drug in a total of 10 ml solution, how many milligrams of drug are contained in 0.1 ml solution? Page 4 of 6

5 18. The population of America is about 300 million, and an estimated 15 million Americans are living with a rare disease. What is the percentage of Americans living with a rare disease? 19. The St. John Fisher College football team played 120 games over the past 10 seasons and won 60% of those games. How many games did they win? 20. A coupon for Xarelto, a medication for blood clots, gives the patients 20% off the copay. If the copay for a patient is $40.00, how much is the patient going to pay with the coupon? 21. Last month, a patient paid $20.00 copay for his monthly supply of metoprolol, a blood pressure medication. This month, it looks like the insurance company has raised the copay to $ Express the increase of copay as a percentage. Page 5 of 6

6 22. A pharmacist dissolved 0.2 g drug in 0.5 L water. What is the drug concentration in µg/ml? 23. A student diluted 100 ml of a 20 mg/ml drug solution with saline to a total of 1 L. What is the new drug concentration? 24. For each of the following, state the number of significant figures: a b c d e For each of the following, round to three significant figures: a b c d e Page 6 of 6

Pharmacy Math Skills Self-Assessment for Incoming P1 Students (Please allow 50 minutes and no calculators) Answer Keys

Pharmacy Math Skills Self-Assessment for Incoming P1 Students (Please allow 50 minutes and no calculators) Answer Keys Pharmacy Math Skills Self-Assessment for Incoming P1 Students (Please allow 50 minutes and no calculators) A similar assessment will be given during the P1 orientation week as part of the course requirement

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