NAPLEX Pharmacy Calculations Quiz

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10 questions covering a wide and diverse range of medicine facts covering drug classes, indications, side effects, mechanisms, drug interactions, and clinical pharmacy!

10 questions!

NAPLEX Pharmacy Calculations Quiz

Welcome to your NAPLEX Pharmacy Calculations Quiz

1. Convert 1:4,500 to a percentage strength.
2. What is the w/w% of a solution in which 2.5 grams of drug X has been dissolved in 80mL of water?
3. What volume of diluent is needed such that, when added to 80mg of drug X, it produces a concentration of 4mg/mL. The displacement volume of drug X is 0.5mL/40mg.
4. How many tablets of drug X are needed (50mg tablets) to complete the following prescription: • Drug x – 25mg/5mL • 2-week supply to be dispensed • Sig: i tsp po bid
5. Drug X has a displacement volume of 0.07mL/5mg. Calculate the volume of WFI needed to produce 1mL of injection containing 5mg of drug X.
6. Convert 60 mEq/5mL sodium chloride to mg/L.
7. What is the body surface area of a patient who is 74 inches tall and who weighs 180lbs?
8. A pharmacist is presented with a stock drug solution that contains 10% active drug. What volume of this stock solution is used to prepare 160 ml of a 1:1000 solution?
9. Ms. Routledge is taking a drug which is 100% eliminated via the renal route. The patient is found to have normal renal function. Based on the following pharmacokinetic data, what is the volume of distribution of the patient’s drug? • IV bolus dose: 0.48 gram • Peak level: 14 mcg/mL • Trough level at 12 hrs: 0.72 mcg/ml • Therapeutic MIC level: 4 mcg/ml
10. Calcium chloride dihydrate injection is supplied as a 10% solution in water. Calculate how many milliosmoles are present in a single 10 ml vial? (Ca = 40, Cl = 35.5, H = 1, O = 16)

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