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Pharm 2
Week 2 Study Guide
Question | Answer |
---|---|
The basic formula method is | N/A x V = DOSE |
The two outer numbers in a proportion are called the | EXTREMES |
The numbers directly to the left and right of the equal sign in a proportion are called | MEANS |
1:2 = | 6:12 |
A ___________ expresses a relationship between two components | RATIO |
The ratio and proportion formula is | Dosage on hand: Amount on hand = Dosage desired: x (Amount desired) |
When adding or subtracting fractions, you must first | Change any mixed fractions into improper fractions |
When dividing fractions, you reverse the numerator and denominator of the second fraction and then | Multiply the numerators and denominators straight across |
24 pounds is equal to | divide 24 pounds by 2.2 (10.8862kg round up to 10.90) |
The prefix ____________ indicates 1000 units | KILO |
12.30 + 12.50 = | 24.80 |
5:15 = X:450 What does X =? | 3 |
If the provider prescribes 1500 mg of Benadryl elixir and the supply available is 500 mg per 25 mL, how much elixir should you give the patient? | 75mL |
The prefix _____________ indicates 1/1,000,000 of a unit. | MICRO |
A(n) _______ fraction includes both a whole number and a fraction. | MIXED |
When adding decimals, you add columns from _________ | RIGHT TO LEFT |
When multiplying fractions, you _____________ | Multiply the numerators straight across and the denominators straight across |
When multiplying 3.25 by 8.725, you disregard the decimal points, multiply 325 by 8725, then move the decimal point over __________ places. | 5 |
A _____ expresses a value that is a part of 100. | PERCENTAGE |
You may need to use "borrowing" when _____decimals. | SUBTRACTING |