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Math Basics
for the Health Care Professional
FOURTH EDITION
UNIT
9
Reading Drug
Labels, Medicine
Cups, Syringes, and
Intravenous Fluid
Administration Bags
Copyright © 2014, 2009 by Pearson Education, Inc.
All Rights Reserved
Student Learning Outcomes
1. Name the parts of drug labels
2. Label syringes, and medicine cups for
proper dosing
3. Read intravenous fluid administration
bags
4. Use the drug label to find key dosing
information
Math Basics for the Health Care Professional, Fourth Edition
Michele Benjamin Lesmeister
9-4
Medication Labels
• Workplace skill–reading medication
labels
Math Basics for the Health Care Professional, Fourth Edition
Michele Benjamin Lesmeister
9-4
Medication Labels: Info
Math Basics for the Health Care Professional, Fourth Edition
Michele Benjamin Lesmeister
9-4
Medication Label: Example
• Generic name—morphine sulfate
• Manufacturer—PL Pharmaceuticals
• National Drug Code (NDC) number—
Not shown
• Lot number (control number)—Not
shown
• Drug form—injection/mL
• Dosage strength—10 mg/mL
Math Basics for the Health Care Professional, Fourth Edition
Michele Benjamin Lesmeister
9-1
Medication Label: Example
• Usual adult dose—
See package insert
• Total amount in
vial, packet, box—
1 mL vial
• Prescription
warning—Rx only
• Expiration date—
Not shown
Math Basics for the Health Care Professional, Fourth Edition
Michele Benjamin Lesmeister
9-2
Medicine Cups
• Dispense liquid medications (e.g.,
cough syrup)
• Measuring accurately
• Pour solution into cup
• Place cup on level surface
• Check for accuracy
Math Basics for the Health Care Professional, Fourth Edition
Michele Benjamin Lesmeister
9-2
Medicine Cups
• Example
• Order: Give 20 mL
every 4−6 hours,
as needed
• Procedure: Pour 20
mL into the cup
Math Basics for the Health Care Professional, Fourth Edition
Michele Benjamin Lesmeister
9-8
Reading Medicine Cups
• Teaspoons and tablespoons on the left
side
• mL on the right side
2 tsp
1 Tbsp
Math Basics for the Health Care Professional, Fourth Edition
Michele Benjamin Lesmeister
2 Tbsp or
30 mL
1½ tsp
9-2
Practice Reading Medicine Cups
• Problem:
 The medical assistants were asked to
dispense 7.5 milliliters of a liquid
medication. Where would we mark the
medicine cup to indicate this dosage?

7.5 mL
Math Basics for the Health Care Professional, Fourth Edition
Michele Benjamin Lesmeister
9-2
Syringes
• Syringes
 Sterile
 Used for parenteral medications
 Labeled in 10ths and 100ths
1.9 milliliters (mL)
Math Basics for the Health Care Professional, Fourth Edition
Michele Benjamin Lesmeister
9-2
Reading Syringes
• How much liquid is in each of these
syringes?
2.2 mL
0.5 mL
5.8 mL
Math Basics for the Health Care Professional, Fourth Edition
Michele Benjamin Lesmeister
9-3
Reading IV bags
200 mL infused
500 mL total
– 200 mL infused
300 mL remaining
500 mL bag
Math Basics for the Health Care Professional, Fourth Edition
Michele Benjamin Lesmeister
9-3
Practice Reading IV Bags
TOTAL CAPACITY = 10
2
10 − 2 = 8
Math Basics for the Health Care Professional, Fourth Edition
Michele Benjamin Lesmeister
9
10 − 9 = 1
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