7 Questions
Approximate Concentration: Reconstituting at the lowest possible concentration, what volume (in mL) would be withdrawn to obtain a day's dose for a 50-lb child?
0.5 mL
Atropine Sulfate Tablets: How many atropine sulfate tablets would you use to compound the following prescription?
1 tablet
Drug Solution Quantity: How many mL of the 4.00 mg/mL solution should be used to administer a dose of 200 g?
0.05 mL
Zinc Undecylenate Concentration: How many grams of talc should be added to 1 lb of a powder containing 20 g of zinc undecylenate per 100 g to reduce the concentration of zinc undecylenate to 3%?
0.3 g
Which of the following is the correct amount of fluoride ion provided by a dropper that delivers 0.6 mL of a vitamin solution containing 0.5 mg of fluoride ion in each milliliter?
0.3 mg
How many milligrams of the active ingredients are there in a capsule containing 1/8 gr of ephedrine sulfate, 1/4 gr of theophylline, and 1/16 gr of phenobarbital?
62.5 mg
How many grams of calamine are necessary to prepare 240 mL of calamine lotion using the given formula?
96 g
Study Notes
Reconstitution and Dosage Calculations
- To reconstitute a medication at the lowest possible concentration, the volume of medication needed to obtain a day's dose for a 50-lb child must be calculated.
- Atropine sulfate tablets are used to compound a prescription, requiring the calculation of the number of tablets needed.
Concentration and Solution Calculations
- To administer a dose of 200 g, a specific volume of a 4.00 mg/mL solution is required.
- The concentration of zinc undecylenate in a powder can be reduced by adding a specific amount of talc to achieve a 3% concentration.
Fluoride Ion Content
- A vitamin solution containing 0.5 mg of fluoride ion per milliliter is used to deliver a specific amount of fluoride ion via a dropper.
Weight and Concentration of Active Ingredients
- A capsule containing specific weights of ephedrine sulfate, theophylline, and phenobarbital can be calculated to determine the total milligrams of active ingredients.
- The weight of calamine required to prepare a specific volume of calamine lotion can be calculated using a given formula.
Test your pharmaceutical calculations skills with this quiz! Solve problems involving dosage calculations, including determining the amount of fluoride ion in a vitamin solution, the number of chloramphenicol capsules needed for a specific dosage, and the milligram content of a drug in a given number of tablets. Sharpen your math skills and enhance your understanding of pharmaceutical calculations.
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