Math for Nurses A Pocket Guide to Dosage Calculation and Drug Preparation

by Boyer, Mary Jo

• ISBN13: 9780781734684
• ISBN10: 0781734681
• Edition: 5th
• Format: Paperback
• Copyright: 2001-10-12
• Publisher: LWW

Summary

This portable and easy-to-use pocket guide provides reference to dosage calculations and drug administration. Using a step-by-step approach, frequent examples are provided to illustrate problem-solving and practical application skills.

Table of Contents

Unit I Basic Mathematics Review and Refresher	1	(86)
Preassessment Test: Mathematics Skills Review	3	(6)
Roman Numerals With Arabic Equivalents	9	(5)
Common Fractions	14	(29)
The Numerator of a Fraction	15	(1)
The Denominator of a Fraction	16	(2)
Fractions That Are Less Than One, Equal to One, or More Than One	18	(1)
Mixed Numbers and Improper Fractions	19	(4)
Equivalent or Equal Fractions	23	(3)
Simplifying, or Reducing, Fractions	26	(1)
Addition of Fractions	27	(4)
Addition of Mixed Numbers	31	(1)
Subtraction of Fractions	32	(4)
Multiplication of Fractions	36	(3)
Division of Fractions	39	(4)
Decimals or Decimal Fractions	43	(18)
Addition of Decimals	47	(1)
Subtraction of Decimals	48	(1)
Multiplication of Decimals	49	(2)
Multiplication by 10, 100, or 1000	51	(1)
Division of Decimals	52	(1)
Division by 10, 100, or 1000	53	(2)
Changing Fractions to Decimals	55	(2)
Changing Decimals to Fractions	57	(1)
Rounding off Decimals	58	(3)
Percent, Ratio, and Proportion	61	(26)
Percents	61	(1)
Fractions and Percents	62	(3)
Decimals and Percents	65	(3)
Ratio and Proportion	68	(3)
Use of Ratio and Proportion: Solving for X	71	(1)
Use of Ratio and Proportion: Solving for X Using a Medication Example	72	(15)
End of Unit Review	84	(3)
Unit II Measurement Systems	87	(32)
The Metric System/International System of Units/SI	89	(8)
Common Rules for Metric Notations	90	(1)
Meter---Length	91	(2)
Liter---Volume	93	(1)
Gram---Weight	94	(3)
The Apothecaries' System	97	(5)
Common Rules for the Apothecaries' System	97	(5)
Household Measurements	102	(7)
System Equivalents and System Conversions	109	(10)
System Conversions Using Volume and Weight Units	112	(7)
End of Unit II Review	117	(2)
Unit III Dosage Calculations	119	(109)
Medication Labels	121	(13)
Reading a Drug Labels	122	(2)
Identifying the Components of a Drug Label	124	(2)
Interpreting a Drug Label	126	(8)
Oral Dosage Calculations	134	(24)
Use of Ratios and Proportions: Solving for x	135	(1)
Formula Method	135	(1)
Dosage Problems for Medications in the Same System	135	(2)
Dosage Problems for medications in the Same System but Having Different Units of Measurement	137	(3)
Dosage Problems for Medications in Different Systems	140	(4)
Pediatric Dosages	144	(14)
Parenteral Dosages	158	(14)
Dosage Problems for Medications in the Same System but Having Different Units of Measurement	160	(2)
Dosage Problems for Medications in Different Systems	162	(1)
Medications Packaged as Powders	163	(1)
Preparation of a Single-Strength Solution	164	(1)
Preparation of a Multiple-Strength Solution	165	(7)
Intravenous Therapies	172	(25)
Calculations for Regulating Flow Rate	176	(1)
Calculating Milliliters per Hour Using an Electronic Pump	176	(1)
Calculating Milliliters per Hour Using an Electronic Pump for Piggyback Medication	177	(1)
Calculating Drops per Minute for Gravity Flow for IV Infusions and Piggyback Medications	178	(5)
Constant Factors	183	(3)
Calculating Infusion Time	186	(2)
Special Considerations	188	(3)
Calculating Milliliters per Hour	191	(6)
Drugs Measured in USP Units	197	(24)
Insulin	197	(2)
Mixing Two Types of Insulin	199	(8)
Insulin Delivery Systems	207	(2)
Heparin	209	(6)
Heparin Lock Flush Solution	215	(1)
Penicillin	216	(5)
Immunonstimulants: Vaccines, Toxoids, and Immune Serum Globulins	221	(3)
Solutions	224	(4)
Preparing a Solution From a Solution or Pure Drug	225	(2)
Preparing a Solution From a Stock Solution	227	(1)
End of Unit III Review	228	(7)
Answers	235	(46)
Appendices
A. Rounding Off Decimals	256	(1)
B. Intradermal Injections	257	(2)
C. Subcutaneous Injections	259	(2)
D. Intramuscular Injections	261	(2)
E. Z-Track Injections	263	(3)
F. Pediatric Intramuscular Injections	266	(1)
G. Nursing Concerns for Pediatric Drug Administration	267	(1)
H. Nursing Concerns for Geriatric Drug Administration	268	(2)
I. Abbreviations and Symbols for Drug Preparation and Administration	270	(4)
J. Temperature Conversions: Fahrenheit and Celsius Scales	274	(3)
K. Dosage Calculation Examples Using Dimensional Analysis	277	(4)
Index	281