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5: Reducing and Enlarging Formulas and Compounding

Total questions: 10

Worksheet time: 3hrs 30mins

Name
Class
Date
1.

How many grams of acetaminophen would be required to prepare 8000 tablets of a narcotic analgesic if 1 tablet is to contain 10 mg of the narcotic and 325 mg of acetaminophen?

a)

1625 g

b)

2600 g

c)

1.625 g

d)

2.6 g

2.

A cold capsule contains 30 mg of pseudoephedrine, 2 mg of brompheniramine, and 300 mg of ibuprofen. How many grams of ibuprofen is required to make 150 of these cold capsules?

a)

45 g

b)

9 g

c)

0.3 g

d)

20 g

3.

If a diphenhydramine elixir contains 12.5 mg of diphenhydramine per teaspoon, how many grams are required to prepare 1000 mL of the elixir?

a)

1.2 g

b)

3.7 g

c)

0.8 g

d)

2.5 g

4.

An antacid tablet contains 500 mg of calcium carbonate. How many kilograms of calcium carbonate are required to manufacture 12,000 bottles of the antacid tablets if there are 200 tablets per bottle?

a)

7.5 kg

b)

750 kg

c)

1200 kg

d)

825 kg

5.

Ipratropium bromide 0.5 mg and albuterol sulfate 3 mg inhalation solution is supplied as a 3-mL sterile solution for nebulization in sterile low-density polyethylene unit-dose vials and comes in cartons containing 30 vials. How many milligrams of ipratropium bromide are required to prepare a carton of the product?

a)

1.5 mg

b)

15 mg

c)

9 mg

d)

30 mg

6.

Ipratropium bromide 0.5 mg and albuterol sulfate 3 mg inhalation solution is supplied as a 3-mL sterile solution for nebulization in sterile low-density polyethylene unit-dose vials and comes in cartons containing 30 vials. How many micrograms of albuterol sulfate are contained in 1/2 unit dose vial?

a)

1.5 mcg

b)

3 mcg

c)

1500 mcg

d)

90 mcg

7.

How many kilograms of starch are needed to prepare 40,000 placebo tablets if 1,000 placebo tablets requires 250 g of starch?

a)

10 kg

b)

10,000 kg

c)

100 kg

d)

250 kg

8.

How many grams of Magnesium sulfate is needed to prepare 25,000 placebo tablets if 2 g of Magnesium sulfate is used to manufacture 1,000 placebo tablets?

a)

4 g

b)

2.5 g

c)

25 g

d)

50 g

9.

How many 5-mg prednisone tablets are required to prepare a compound written for 36 tablets with each tablet containing 2.5 mg of Prednisone?

a)

18 tablets

b)

19 tablets

c)

20 tablets

d)

25 tablets

10.

How many milligrams of reserpine are required to prepare a prescription that calls for 30 capsules with each capsule containing 75 mcg of reserpine?

a)

1.25 mg

b)

2.25 mg

c)

3.25 mg

d)

0.3 mg