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Pharmaceutical Calculations (GREEN) 300 QUESTIONS WITH COMPLETE ANSWERS

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How many milliliter of U-100 insulin should be used to obtain 50 units of insulin? a. 5 mL b. 50 mL c. 0.5 mL d. 500 mL Correct Answer: C How many drops would be prescribed in each dose of a liq... uid medicine if 20 mL contained 60 doses? The dispensing dropper calibrates 35 gtts per mL. a. 12 gtts b. 15 gtts c. 8 gtts d. 23 gtts Correct Answer: A How many milligrams of a drug will be needed to prepare 74 dosage forms if each is to contain 1/10 grain? a. 58 mg b. 480 mg c. 4800 mg d. 4.8mg Correct Answer: B If a pint of a certain liquid weighs 9200 grains, what is the specific gravity of the liquid? a. 1.0 b. 1.32 c. 1.276 d. 1.26 Correct Answer: D How many grams of dextrose are required to prepare 4500 L of a 5% solution? a. 80,000 g b. 225,000g c. 4 f3 d. 8 f3 Correct Answer: B How many grams of a drug substance should be dissolved in 250 mL of water to make a 5% (w/w) solution? a. 9.6 g b. 13.16 g c. 60 g d. 10 g Correct Answer: B Convert 5% to mg/mL: a. 50 mg/mL b. 500 mg/mL c. 5000 mg/mL d. 5 mg/mL Correct Answer: A In what proportion should alcohols of 90% and 50% strengths should be mixed to make 70% alcohol? a. 3 parts / 5 parts b. 1 part / 1 part c. 5 parts / 4 parts d. 4 parts / 5 parts Correct Answer: B How many milliliters of two liquids with specific gravities of 0.950 and 0.875 should be used to prepare 1500 mL of a liquid having a specific gravity of 0.925? a. 1000 mL (sp gr 0.950) c. 500 mL (sp gr 0.950) 500 mL (sp gr 0.875) 1000 mL (sp gr 0.875) b. 2250 mL (sp gr 0.950) d. 1125 mL (sp gr 0.950) 1125 mL (sp gr 0.875) 2250 mL (spgr 0.875) Correct Answer: A Zinc chloride is a three-ion electrolyte, dissociating 80% in a certain concentration. Calculate its dissociation factor (I): a. 2.6 b. 1.6 c. 2.9 d. 3 Co [Show More]

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