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Unit 13
Medical Math (Updated)
Question | Answer |
---|---|
1/4, 25%, and .25 all represent the same | amount |
Multiplication is a simple method of | addition |
If two numbers are to be multiplied, either of the numbers can be the | multiplicand |
Decimals, fractions, and percentages represent parts of | a whole |
Percentages are used to express either a whole or | part of a whole |
a ratio of 3:4 is equal to | 75% |
In the household system of measurement, ounce is used as both a measurement of | capacity /volume and mass/weight |
Military time is frequently used in health care to avoid the confusion created by the AM and PM used in teh | traditional system |
If you are given 3/8 of a pie, into how many parts has the pie been divided? | 8 |
A fraction should be reduced to its lowest terms when | the numerator and denominator can each be divided by the same number |
Which of the following is an improper fraction? a. 8/3 b. 5/10 c. 1 3/4 c. 12/16 | 8/3 |
9,853 rounded to the nearest 1,000 = | 10,000 |
Five drops of medication to 1 cup of water is the same as | 20 drops to 4 cups |
10:00 AM is expressed in military time as | 1000 |
4:40 PM is expressed in military time as | 1640 |
The Roman numeral XLVII = | 47 |
A gram is the basic metric unit for measuring | weight |
1.0 meter is equivalent to how many centimeters | 100 |
One meter is equivalent to approximtely | 1 yard |
Two pounds is equivalent to approximately how many kilograms? | 1.0 kilograms |
If 98.6°F is the normal adult oral temperature, what would it be if it were taken using a thermometer that measures in centigrade? | 37°C |
What is the oldest and least used of the three systems of measurement, it's capacity/volume is measured by drams, ounces, pints, or quarts and mass/weight is measured by grains, drams or ounces | The apothecary system |
Shows the relationship between numbers or like values | ratio |
Apothecary unit that equals 1 drop | minim |
Upside-down version of a fraction | reciprocal |
Statement of equality between two ratios | proportion |
Real or imaginary flat surface from which an angle is measured | reference plane |
Unit for measuring angles | degree |
Answer obtained when two numbers are divided | quotient |
Number that is to be divided | dividend |
Calculating medication dosages, taking height & weight readings, measuring the amount of intake & output, billing & bookkeeping tasks, performing laboratory tests, mixing clean solutions is how | math is used in health care |
Why must health care workers be 100 percent accurate when performing math calculations on the job | to prevent negative consequences to patient health, to prevent billing and bookkeeping errors, to prevent waste of supplies and many other functions |
Numbers are not repeated, AM & PM designations are not used. It's easier to distinguish between AM & PM times; it helps prevent errors in the administration of medications and other patient care duties; it prevents mis-communitations regarding scheduling | Military time |