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h Approach to Nursing and Math
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2nd Edition by Castillo
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Chapter 1 - 22 Complete
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,TableofContents: h h
I. Safety in Medication Administration
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Chapter 1. Safetyin Medication Administration
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Chapter 2. The Drug Label h h h h
II. Systems of Measurement
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Chapter 3. The Metric System h h h h
Chapter 4. The Household System
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III. Methods of Calculation
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Chapter 5. Linear Ratio and Proportion
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Chapter 6. Fractional Ratio and Proportion
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Chapter 7. Dimensional Analysis
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Chapter 8. Formula Method h h h
IV. Administration of Medications
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Chapter 9. Calculating Oral Medication Doses
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Chapter 10. Syringes and Needles
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Chapter 11. Calculating Parenteral Medication Dosages
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Chapter 12. PreparingPowdered Parenteral Medications
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Chapter 13. Administration of Insulin
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V. IV Therapy and Administration of Intravenous Medications
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Chapter 14. Intravenous Infusion and Infusion Rates
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Chapter 15. Calculating Infusion and Completion Time
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Chapter 16. Administering IV Push Medications
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VI. Verifying Safe Dose and Critical Care Calculations
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Chapter 17. Verifying Safe Dose
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Chapter 18. Titration of Intravenous Medications
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VII. Intake and Output
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Chapter 19. Calculating Intake and Output
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Chapter 20. Calculating Parenteral Intake
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VIII. Dosages for Pediatric and Older Adult Populations
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Chapter 21. Considerations for the Pediatric Patient
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Chapter 22. Considerations for the Older Adult
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,Castillo/Werner-McCullough:CalculatingDrugDosages, 2e h h h h
Chapter 1: Safety in Medication Administration
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Castillo: Calculating Drug Dosages: APatient-Safe Approach to Nursing and Math 2ndEdition
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MULTIPLE CHOICE h
1. The followingmedication order is in the patient’s medication administration record (MAR):
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methylPREDnisolone 40 mg PO daily at 0900. h h h h h h
After reading the order, the nurse correctlydetermines:
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A “PO”is an inappropriate abbreviation. h h h h
B the medication order is written correctly. h h h h h
C 40 mg should be written as 40mg. h h h h h h
D tall man letteringindicates that the drug is a narcotic. h h h h h h h h h
ANSWER: B h
Feedback
The medication order has all the required components (drug name, dose, route, and
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frequency of administration) for a drug order. “PO” is an appropriate abbreviation;40
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mg is written correctly with a space between the dose and the unit of measurement. Tall
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man lettering is used to distinguish the drug from another drug
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with a similar name. h h h
2. Which of the following accuratelydescribes the “Boxed Warning” found on a drug label?
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A It is primarilyis used to identifythe safe dose for the patient.
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B It is commonlyfound on all druglabels. h h h h h h h
C It identifies serious potential risks and side effects related to druguse.
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D It protects the patient by providinginformation to decrease side effects.
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ANSWER: C h
Feedback
A drug label with a boxed warning provides information to healthcare professionalsand
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patients regarding the serious risks and side effects related to the drug. The Boxed
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Warning is not the primarysource for identifying the patient’s drug dosage.
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The warning is found on specific prescription medications and does not provide
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information to reduce or decrease side effects.
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3. When practicing safety in the administration of medication, for which of the following
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medication orders should a nurse seek clarification before the administration of the
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medication?
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A Regular insulin 5 u subcut now. h h h h h
B Enoxaparin 80 mg subcut every12 hours. h h h h h h
C Benadryl 50 mg PO PRN every6 hr for itching. h h h h h h h h h
D Ondansetron 4 mg IVP stat. h h h h
ANSWER: A h
Feedback
The“u” should never be used in a medication order; rather, for safety, the word
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“units” should be spelled out. The other answer options contain the required
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components needed to safely carryout the medication order. h h h h h h h h
4. A nurse is reviewing a drug label with a drug name written with tall man lettering. Which
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statements shows the nurse has a correct understanding of tall man lettering on a drug label?
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A “The tall man lettering means this is a high alert drug.” h h h h h h h h h h
B “The tall man lettering helps me distinguish this drug with other drugs that h h h h h h h h h h h h
have similar names.” h h
C “The tall man lettering means that this drug must have a Boxed Warning.” h h h h h h h h h h h h
D “The tall man lettering helps me quicklyidentifythat this drug is an injectable
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drug.”
ANSWER: B h
Feedback
Tall man letteringhighlights a portion of the drug name to help distinguish from
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similar drugnames. It is not used to identifyhigh alert drugs, highlight a boxed
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warning, or identifyinjectable drugs. h h h h
5. The followingmedication orders are found in the patient’s MAR:
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Metformin HCl 500 mg PO daily at 0900. Hydrochlorothiazide h h h h h h h h
25 mg PO every 12 hr at 0900 and 2100.Digoxin .25 mg PO daily at
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0900.
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In reading the medication orders for the 0700–1500 shift, the nurse determines that which ofthe
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following is the priority nursingintervention?
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A Clarifythe metformin HCl order. h h h h
B Clarifythe hydrochlorothiazide order. h h h
C Clarifythe digoxin order. h h h
D Prepareto administer the 0900 medications. h h h h h
ANSWER: C h
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