Fundamentals of Pharmaceutical Calculations (Part 2) Ratio and Proportion, Dimensional Analysis and Sig Figs

Question 1

Express 0.769 as percentage

Answer 1

The correct answer is: 76.9 %

Question 2

Express 7/10 as a percentage.

Answer 2

The correct answer is: 70%

Question 3

Amoxicillin is dispensed as 125 mg/5 mL. How much amoxicillin (in grams) is there in 100 mL of the suspension?

Answer 3

The correct answer is: 2.5 grams

Question 4

Thirty grams of cream contains 7.5 g of Drug X. What is the amount of cream that contains 97.5 g of Drug X?

Answer 4

The correct answer is: 390 g

Question 5

If a drug cost PhP 3.75 per gram, how much would 150 mg cost? Express your answer in two significant figures.

Answer 5

The correct answer is: PhP 0.56

Question 6

If 8 fluidounces of ether weigh 7.75 ounces, what will 1 quart weigh? Express your answer in ounces.

Answer 6

The correct answer is: 31 ounces

Question 7

If 150 capsules of antibiotic cost PhP 250.00, what is the cost of 30 capsules?

Answer 7

The correct answer is: PhP 50.00

Question 8

Indicate how many significant figures: 246.32

Answer 8

The correct answer is: 5

Question 9

Indicate how many significant figures: 107.854

Answer 9

The correct answer is: 6

Question 10

Indicate how many significant figures: 100.3

Answer 10

The correct answer is: 4

Question 11

Indicate how many significant figures: 0.678

Answer 11

The correct answer is: 3

Question 12

Indicate how many significant figures: 1.008

Answer 12

The correct answer is: 4

Question 13

Indicate how many significant figures: 0.00340

Answer 13

The correct answer is: 3

Question 14

Round off to three decimal places: 6.12963

Answer 14

The correct answer is: 6.130

Question 15

Calculate 50% of 96

Answer 15

The correct answer is: 48

Question 16

Find 76% of 2,055.2 giving your answer to two decimal places.

Answer 16

The correct answer is: 1,561.95

Question 17

An injection intended for pediatric use contains 100 mcg of digoxin per milliliter. What volume of the injection should be administered to provide a dose of 0.04 mg?

Answer 17

The correct answer is: 0.04 mL

Question 18

If 5 tablets of Lipitor contains 20 grams of active ingredients (Lipitor), how many tablets are required to fill a prescription for 500 grams?

Answer 18

The correct answer is: 125 tablets

Question 19

How many mL of solution containing 150 mcg of medication per mL must be administered to a patient that requires 1 milligram?

Answer 19

The correct answer is: 6.67 mL

Question 20

How many grams of medication are required to make 100 mL of 1:5000 solution?

Answer 20

The correct answer is: 0.02 g