n n n n n n n
Approach to Nursing and Math
n n n n n n
2nd Edition by Castillo
n n n nn
Chapter 1 - 22 Complete
n n n n
,Table of Contents: n n
I. Safety in Medication Administration
n n n n
Chapter 1. Safety in Medication Administration
n n n n n
Chapter 2. The Drug Label
n n n n
II. Systems of Measurement
n n n
Chapter 3. The Metric System
n n n n
Chapter 4. The Household System
n n n n
III. Methods of Calculation
n n n
Chapter 5. Linear Ratio and Proportion
n n n n n
Chapter 6. Fractional Ratio and Proportion
n n n n n
Chapter 7. Dimensional Analysis
n n n
Chapter 8. Formula Method
n n n
IV. Administration of Medications
n n n
Chapter 9. Calculating Oral Medication Doses
n n n n n
Chapter 10. Syringes and Needles
n n n n
Chapter 11. Calculating Parenteral Medication Dosages
n n n n n
Chapter 12. Preparing Powdered Parenteral Medications
n n n n n
Chapter 13. Administration of Insulin
n n n n
V. IV Therapy and Administration of Intravenous Medications
n n n n n n n
Chapter 14. Intravenous Infusion and Infusion Rates
n n n n n n
Chapter 15. Calculating Infusion and Completion Time
n n n n n n
Chapter 16. Administering IV Push Medications
n n n n n
VI. Verifying Safe Dose and Critical Care Calculations
n n n n n n n
Chapter 17. Verifying Safe Dose
n n n n
Chapter 18. Titration of Intravenous Medications
n n n n n
VII. Intake and Output
n n n
Chapter 19. Calculating Intake and Output
n n n n n
Chapter 20. Calculating Parenteral Intake
n n n n
VIII. Dosages for Pediatric and Older Adult Populations
n n n n n n n
Chapter 21. Considerations for the Pediatric Patient
n n n n n n
Chapter 22. Considerations for the Older Adult
n n n n n n
,Castillo/Werner-McCullough: Calculating Drug Dosages, 2e n n n n
Chapter 1: Safety in Medication Administration
n n n n n
Castillo: Calculating Drug Dosages: A Patient-Safe Approach to Nursing and Math 2nd Edition
n n n n n n n n n n n n
MULTIPLE CHOICE n
1. The following medication order is in the patient’s medication administration record (MAR):
n n n n n n n n n n n
methylPREDnisolone 40 mg PO daily at 0900. n n n n n n
After reading the order, the nurse correctly determines:
n n n n n n n
A ―PO‖ is an inappropriate abbreviation. n n n n
B the medication order is written correctly. n n n n n
C 40 mg should be written as 40mg. n n n n n n
D tall man lettering indicates that the drug is a narcotic.
n n n n n n n n n
ANSWER: B n
Feedback
The medication order has all the required components (drug name, dose, route,
n n n n n n n n n n n
andfrequency of administration) for a drug order. ―PO‖ is an appropriate
n n n n n n n n n n n n
abbreviation;40 mg is written correctly with a space between the dose and the unit of
n n n n n n n n n n n n n n n n
measurement. Tall man lettering is used to distinguish the drug from another drug
n n n n n n n n n n n n n
with a similar name. n n n
2. Which of the following accurately describes the ―Boxed Warning‖ found on a drug label?
n n n n n n n n n n n n n
A It is primarily is used to identify the safe dose for the patient.
n n n n n n n n n n n n
B It is commonly found on all drug labels. n n n n n n n
C It identifies serious potential risks and side effects related to drug use.
n n n n n n n n n n n
D It protects the patient by providing information to decrease side effects.
n n n n n n n n n n
ANSWER: C n
Feedback
A drug label with a boxed warning provides information to healthcare
n n n n n n n n n n
professionalsand patients regarding the serious risks and side effects related to the
n n n n n n n n n n n n n
drug. The Boxed Warning is not the primary source for identifying the patient’s drug
n n n n n n n n n n n n n n
dosage.
n
The warning is found on specific prescription medications and does not
n n n n n n n n n n
provideinformation to reduce or decrease side effects.
n n n n n n n n
3. When practicing safety in the administration of medication, for which of the
n n n n n n n n n n n
followingmedication orders should a nurse seek clarification before the administration
n n n n n n n n n n n
of the medication?
n n n
1
, Castillo/Werner-McCullough: Calculating Drug Dosages, 2e n n n n
A Regular insulin 5 u subcut now. n n n n n
B Enoxaparin 80 mg subcut every 12 hours. n n n n n n
C Benadryl 50 mg PO PRN every 6 hr for itching. n n n n n n n n n
D Ondansetron 4 mg IVP stat. n n n n
ANSWER: A n
Feedback
The ―u‖ should never be used in a medication order; rather, for safety, the
n n n n n n n n n n n n n
word―units‖ should be spelled out. The other answer options contain the
n n n n n n n n n n n n
required
n
components needed to safely carry out the medication order. n n n n n n n n
4. A nurse is reviewing a drug label with a drug name written with tall man lettering. Which
n n n n n n n n n n n n n n n n
statements shows the nurse has a correct understanding of tall man lettering on a drug label?
n n n n n n n n n n n n n n n n
A ―The tall man lettering means this is a high alert drug.‖
n n n n n n n n n n
B ―The tall man lettering helps me distinguish this drug with other drugs that
n n n n n n n n n n n n
have similar names.‖ n n
C ―The tall man lettering means that this drug must have a Boxed Warning.‖
n n n n n n n n n n n n
D ―The tall man lettering helps me quickly identify that this drug is an injectable
n n n n n n n n n n n n n
drug.‖
ANSWER: B n
Feedback
Tall man lettering highlights a portion of the drug name to help distinguish
n n n n n n n n n n n n
fromsimilar drug names. It is not used to identify high alert drugs, highlight a
n n n n n n n n n n n n n n n
boxed
n
warning, or identify injectable drugs. n n n n
5. The following medication orders are found in the patient’s MAR:
n n n n n n n n n
Metformin HCl 500 mg PO daily at 0900. n n n n n n n
Hydrochlorothiazide 25 mg PO every 12 hr at 0900 and
n n n n n n n n n n
2100.Digoxin .25 mg PO daily at 0900.
n n n n n n n n
In reading the medication orders for the 0700–1500 shift, the nurse determines that which
n n n n n n n n n n n n n
ofthe following is the priority nursing intervention?
n n n n n n n n
A Clarify the metformin HCl order. n n n n
B Clarify the hydrochlorothiazide order. n n n
C Clarify the digoxin order. n n n
D Prepare to administer the 0900 medications. n n n n n
ANSWER: C n
2