Healthcare Math Flashcards
Convert 30 g to milligrams
30,000 mg
Convert 6.5 in to centimeters
16.25 cm
75 mL = _____ L
0.075 L
Convert 5 fl oz to milliliters
150 mL
Convert 60 mL to tablespoons
4 T
Convert 80 kg to pounds
176 lb
A liter is the metric base unit of measure for _____
volume
What mnemonic device can be used to remember the order of metric units?
King Harry Died from a Disease Called Malaria
An infant’s head circumference is 40 cm. The measurement in inches is _____
16 in
Convert 286 pounds to kilograms
130 kg
The doctor prescribed 30 mL of medication per dose. How many tablespoons should be taken per dose?
2 T
The doctor prescribed 10 mL of Betadine concentrate in 480 mL of water. How should the patient prepare the solution?
Mix 2 teaspoons of Betadine concentrate in 2 cups of warm water
The total quantity of saline solution on hand is 11 liters 750 milliliters. How many liters need to be ordered to have a total of 40 liters?
28.25 L
How many 0.5 mL polio injections can be prepared from 400 mL of vaccine?
800 polio injections
If there is 1 liter 650 milliliters of cleaning solution in each of the eight examination rooms, how many liters of cleaner are there in all?
13.2 L
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Worksheet 3: Inventory Calculations with Metric Units
Answer Key
Questions 1 and 2: Sam counted 12 liters of hand sanitizer in the storage cabinet. He fills the
dispensers in seven of the examination rooms as follows: 350 mL
600 mL
650 mL
720 mL and 500 mL.
- How many total milliliters did Sam use to fill the dispensers?
3875 mL
- After filling the dispensers
how many liters of sanitizer remain in the storage cabinet?
3875 mL = 3.875 L
12 - 3.875 = 8.125 L
- Sam helped you prepare 35 sets of injections of dopamine for the clinic this week. Each
injection is 50 milliliters. How many liters of dopamine did the clinic use this week?
35 × 50 = 1750 mL = 1.75 L
- The clinic used 9 liters 450 milliliters of saline solution during the last 4 weeks. On average
how many milliliters of saline solution does the clinic use each week?
9 L = 9000 mL
9450 ÷ 4 = 2362.5 mL
- Sam restocked 275 mL of children’s ibuprofen in six of the exam rooms. What is the total
amount of children’s ibuprofen he used in liters?
275 x 6 = 1650 mL = 1.65 L
Questions 6 and 7: The clinic has 3 liters of flu vaccine on hand. Each flu shot consists of 5 milliliters
of the vaccine.
- Sam needs to know how many 5 milliliter flu injections he can get from the 3 liter container.
3 L = 3000 mL
3000 ÷ 5 = 600 flu injections
- If the clinic gives 350 flu shots this week
how many liters of the vaccine will be left?
350 x 5 mL/shot = 1750
3000 - 1750 = 1250 mL = 1.25 L
- Sam needs to refill the ammonium solution dispenser in one of the exam rooms with 1 liter
275 milliliters of the solution. If he fills the dispenser from a 6-liter container
how many liters
of ammonium solution will be left in the container?
6 - 1.275 = 4.725L
Questions 9 and 10: The clinic uses about 15 liters and 500 milliliters of disinfectant cleaner each
month.
- How many liters of disinfectant does the clinic use in 6 months?
500 mL = .5 L
15.5 x 6 = 93 L
- After taking inventory
Sam found there was 32.5 liters of disinfectant cleaner in the supply
cabinet. How many liters of disinfectant cleaner should Sam order so that the clinic will have
a 6-month supply?
93 - 32.5 = 60.5 L
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Anewer Kay
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Worksheet 2: Converting Measurements
Write the abbreviation or term as indicated for each of the following.
- pint _
_pt
- pound
Ib
- drops
gtts
- T_
tablespoon
- at quart
- floz _fluid ounce.
Answer Key
Complete the following equivalencies.
- 1 kg = _
2.2
- 1 fl oz =
30
_mL
Complete the following prportions.
- 8 oz
16 T
1.5 oz
3 T
- 1 in =-
2.54
- 1 cup = 240
_ cm
- 1 fl oz =
30 mL
4 fl oz
120 mL
Solve the following problems. Round your answers to the nearest tenths place
if necessary.
- A patient voids 150 mL into the specimen cup. How many fluid ounces is this?
5 fl oz
Questions 14 - 15: Sam weighed and measured an infant at the clinic today. The baby weighed 8.5
kg and was 60.5 cm long. The baby’s mother wanted to know the baby’s weight in pounds and length
in inches.
- The baby weighs
18.7
Ib.
- The baby’s length is
24.2
in.
- A patient received stitches for a laceration that was 5 inches long. Sam needs to record the
length in centimeters in his chart. The wound is 12.5 cm long.
- A child threw up 2 cups of fluid in the examination room. How many mL is this?
480 mL
Questions 18 - 20: Sam gave the mother of the sick child a 16 oz bottle of liquid medication and told
her the child should take 30 mL twice a day.
- How many tablespoons is one dose?
2T
- How many total mL will the child take in one day?_60 mL How many ounces is this?
- How many days will the bottle of medication last?
8 days
2 fl oz
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Worksheet 3: Inventory Calcuatons wun were unis
Answer Kev
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Worksheet 1: Metric Measurements & Conversions
Give the metric prefix for the following parts of the base units.
- 0.001
milli
- 0.01
centi
- 0.000001 micro
- 1000
kilo
Identify the metric base unit for the following.
- Length
meter
- Volume
liter
Write the correct abbreviation for each of the following units.
- kilogram
kg
- liter _
- millimeter_mL
- meter.
m
- milligram_mg
- centimeter_cm
Which is larger? Circle the correct answer.
- milligram or kilogram
- centimeter or millimeter
Convert the following as indicated.
- 4500 mL =
4.5
- 2.5 g =
2500
- 500 mg = _
0.5
- 9
- 40.5 cm =_405
- 0.04 L =
40
_mL
- 3 mg =
3000
- 800 mL =
0.8
- 1.2 g = _
1200
- 2 kg =
2000
- 1.5 L =
1500
Answer Key
- Weight gram
- gram_g
- microgram_mcg
- milliliter or liter
mg
mm
mcg
_ mg
mL
Questions 29 & 30: The doctor prescribes 500 mg of Amoxicillin to be taken 4 times per day.
- What is the maximum number of milligrams per day? 2000 mg
- What is the maximum number of grams per day?
2 g
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