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Pharmaceutical Preparations Formulas: Reduction and Enlargement
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Pharmaceutical Preparations Formulas: Reduction and Enlargement

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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?

<p>A factor greater than 1 represents the multiple of the formula.</p> Signup and view all the answers

How many grams of drug are needed to prepare 60mL of a formula that originally contains 6g for 1000mL?

<p>0.36 g</p> Signup and view all the answers

What is the quantity of calamine required to make 240ml of a formula that originally contains 80g for 1000ml?

<p>19.2 g</p> Signup and view all the answers

How much Polyvinyl Alcohol is needed to prepare a dozen 30mL containers using a formula that contains 1.4g for 100mL?

<p>5.04 g</p> Signup and view all the answers

What is the total number of parts by weight in the given Ointment formula?

<p>65</p> Signup and view all the answers

What is a key advantage of reducing formulas in pharmacy?

<p>Preparing smaller doses of medication</p> Signup and view all the answers

What is a key advantage of enlarging formulas in pharmacy?

<p>Ensuring a consistent and reliable supply for medication</p> Signup and view all the answers

What is a potential disadvantage of reducing and enlarging formulas in pharmacy?

<p>Complex calculations</p> Signup and view all the answers

Why is it essential to be precise in calculations when reducing or enlarging a formula?

<p>To ensure the correct quantities of ingredients are used</p> Signup and view all the answers

What may result from reducing or enlarging a formula in terms of the concentration of the active ingredient?

<p>Variations in the product’s effectiveness and potency</p> Signup and view all the answers

What do dilution and concentration questions involve, in contrast to reducing and enlarging formulas?

<p>Changing the actual concentration or strength of the product</p> Signup and view all the answers

What is suggested to overcome the disadvantages of reducing and enlarging formulas?

<p>Understanding the formula and using a calculator or software for precise calculations</p> Signup and view all the answers

What is the importance of using a calculator or software when dealing with reducing and enlarging formulas?

<p>Ensuring the correct quantities of ingredients are used</p> Signup and view all the answers

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