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Questions and Answers
What is the purpose of enlarging and reducing formulas in pharmaceutical preparations?
To calculate the quantities of each ingredient required for a smaller or greater quantity while maintaining correct proportions.
What is the fixed quantitative relationship between ingredients in a formula?
The relative amount of one ingredient to another remains the same.
How can formulas be reduced or enlarged?
Formulas may be reduced or enlarged through the use of a factor.
What does a factor greater than 1 represent in the context of formula preparation?
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How many grams of drug are needed to prepare 60mL of a formula that originally contains 6g for 1000mL?
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What is the quantity of calamine required to make 240ml of a formula that originally contains 80g for 1000ml?
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How much Polyvinyl Alcohol is needed to prepare a dozen 30mL containers using a formula that contains 1.4g for 100mL?
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What is the total number of parts by weight in the given Ointment formula?
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What is a key advantage of reducing formulas in pharmacy?
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What is a key advantage of enlarging formulas in pharmacy?
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What is a potential disadvantage of reducing and enlarging formulas in pharmacy?
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Why is it essential to be precise in calculations when reducing or enlarging a formula?
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What may result from reducing or enlarging a formula in terms of the concentration of the active ingredient?
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What do dilution and concentration questions involve, in contrast to reducing and enlarging formulas?
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What is suggested to overcome the disadvantages of reducing and enlarging formulas?
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What is the importance of using a calculator or software when dealing with reducing and enlarging formulas?
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