Med Math: Quiz #1 || with 100% Verified Solutions.
Types of fractions correct answers 1) proper
2) improper
3) mixed #
4) complex
Proper fraction correct answers numerator is less than denominator
Improper fraction correct answers numerator is greater than the denominator
Mixed number (example) correct answers 2 1/2
Complex fraction correct answers fraction on top AND bottom
Reducing fractions correct answers Find the largest # that can be evenly divided into the
numerator and the denominator
Multiplying fractions correct answers 1. multiply the numerators and denominators (do BOTH
straight across)
2. reduce
What should you consider when you have several fractions to be multiplied? correct answers
Reduce fractions FIRST (before you multiply)
Dividing fractions correct answers 1. invert the fraction AFTER the division sign
2. change the division sign to a multiplication sign
3. follow the rules for multiplying fractions (multiply straight across after inverting 2nd fraction)
Changing a fraction to a decimal correct answers divide the numerator by the denominator
(through long division)
Changing a decimal to a fraction correct answers 1. count the # of decimal places after the
decimal point
2. as you read the decimal, you create a fraction
What do you ALWAYS have to do when writing decimals? correct answers 1. put the zero
before the decimal point (i.e. do 0.6 instead of .6)
2. never write a zero by itself after a decimal point (i.e. do 5mg instead of 5.0mg)
What does "percent" literally mean? correct answers parts per hundred
Percent correct answers a fraction, with the # becoming the numerator and 100 becoming the
denominator
4% as a fraction correct answers 4/100
, 0.2% as a fraction correct answers 0.2/100
ratio correct answers the relationship b/w 2 numbers
proportion correct answers a ratio written as a fraction
2:3= what? correct answers 2/3
Solve this→ 5:30:x:36 correct answers 1) multiply the means
2) multiply the extremities
3) solve for "x"
4) simplify
Solve 5/30=X/36 correct answers 30x=180, divide both sides by 30, x=6
Dosage calculations correct answers pick a method and stick w/ it
What systems are used for med calculations? correct answers 1. metric
2. apothecary
3. household
Which system is used the most? correct answers metric
Metric system: weight units (and their abbreviations)→ there are 4 correct answers • gram (G, g,
gm)
• milligram (mg)
• microgram (mcg)
• kilogram (kg)
Which weight is the largest in the metric system? correct answers kg
Metric system: liquid measure units (and their abbreviations)→ there are 2 correct answers • liter
(L)
• milliliter (mL)
Metric conversion methods correct answers • converting from a larger unit to a smaller unit
• converting from a smaller unit to a larger unit
converting from a larger unit to a smaller unit correct answers multiply by 1,000
converting from a smaller unit to a larger unit correct answers divide by 1,000
metric conversion chart correct answers
2g= _____mg correct answers 2g→ 2.000 (move 3 places to the right)→ 2g=2,000mg
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