Med Calc Chapter 1-2

Improper fraction

numerator is bigger number than the denominator

mixed number

includes a whole number and a fraction

what is the rule for adding fractions

denominator must be the same

What is the rule for multiplying fractions

multiply numerator = x; multiple denominators = y
simplify x/y

How to convert a fraction to a decimal

divide the numerator and the denominator

ex: 2/3 = 0.666

Ratio

relationship between two numbers

ex of a ratio: 2:3

Proportion

relationship between two ratios or fractions

ex between ratios: 2:8 :: 10:40

ex between fractions: 2/8 = 10/40

How to solve proportions

cross multiply; solve for x

What is the same think a milliliter (mL)?

Cubic centimeter (cc)

what are the measures of weight lowest to highest

mcg or ug, mg, g, kg

1kg is equivalent to how many grams

1000g

1g is equivalent to how many mg

1000mg

1mg is equivalent to how many mcg or ug

1000mcg or ug

When going from kg to g to mg to mcg or ug what do you do? (high to low)

multiply by 1000

When going from mcg or ug to mg to g to kg what do you do? (low to high)

divide by 1000

1tsp = how many mL

5

1tbsp = how many mL

15

1oz = how many mL

30

1 cup (8oz) = how many mL

240-250

1pt = how many mL

500

1qt = how many mL

1000

2.2lB = how many kg

1

1lb = how many oz

161 i

1in = how many cm

2.54

15mL = how many tbsp = how many fl oz

1; 1/2

500mL = how many pt, cups, oz

1, 2, 16

Centigrade (C)

healthcare standard

what is Celsius to Fahrenheit

F = (C x 1.8) +32

what is Fahrenheit to Celsius

C = (F-32) / 1.8