Systems of Measurement Flashcards
At the end of the lesson, the students must have: 1. Identified the International System of Units and its application to pharmaceutical problems. 2. Identified the various SI units of measures of length, volume and weight and their use in pharmaceutical calculations. 3. Compared other systems of measurements such as Avoirdupois and Apothecary Systems and their relation to SI units. 4. Converted measures between International System of Units and other systems of measure used in pharmacy.
The inventory card shows the following amounts of a tincture: 3 gallons, 2 1/2 quarts, 6 pints, 8 fluidounces, 19 fluidounces. What is the total volume in stock?
Reminder: your answer should state the number space unit…. ex. gallons
The correct answer is: 4 gallons 1.5 quarts 1 pint 11 fluidounces
If you purchase a gallon of alcohol and sell at different times: 1 fluidounce, 1/2 pint, 2 1/2 fluidounces, 6 fluidounces, 2 pints, 4 fluidounces, and 6 fluidram, what volume will remain?
The correct answer is: 2 quarts 0.5 pints 2 fluidounces 2 fluidrams
A pharmacist buys 3 grams of a potent drug and at different times dispenses 0.2 g, 0.85 g, 9 cg, 150 mg, and 5 dg. How much of the drug remains?
Reminder: Your answer should be in g
The correct answer is: 1.21 g
Multiply 8 drams, 5 scruples, 20 grains by 5
The correct answer is: 4 ounces 2 drams
How can many 325 mg capsules of a drug can be filled from a 454 g amount?
Your answer should be the number of capsules, separate thousands with a comma.
The correct answer is: 1,396 capsules
If a gallon of a liquid pharmaceutical preparation requires 1 pound, 4 ounces, 6 drams of a drug, how many gallons of mixtures can be made from 12 pounds, 6 ounces, 6 drams of a drug?
Note: Your answer should be gallons. Convert all to drams first.
The correct answer is: 9 gallons
Divide 100 grains of sodium bicarbonate into 12 equal parts and add to each two grains of sodium chloride. What will be the weight in milligrams?
Note: Your answer should be mg
Use: 1 grain = 0.065 g = 65 mg
The correct answer is: 671.45 mg
How many 15-minim capsules can be filled from 5 fluidounces of an oil?
Note: Your answer should be number of capsules
The correct answer is: 160 capsules
How many milligrams of strychnine sulfate are needed to make 120 pills, each containing 1/60 grains of the sulfate?
Note: Answer should be in mg
The correct answer is: 130 mg
The dose of a drug is 0.1 mg. How many doses are contained in 15 mg of a drug?
Answer should be number of doses.
The correct answer is: 150 doses
