Pharmacy Calculations for Pharmacy Technicians Solving Pharmacy Calculation ProblemsTable of Contents
Introduction........................................................................................................
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Pharmacy Calculations for Pharmacy Technicians Solving Pharmacy Calculation ProblemsTable of Contents
Introduction............................................................................................................................................
1
Chapter I Auxiliary Subjects.................................................................................................................. 3
Rounding Numbers.............................................................................................................................. 4
Roman Numerals................................................................................................................................. 6
The Metric System............................................................................................................................. 12
Scientific Notation ............................................................................................................................. 13
Significant Figures.............................................................................................................................. 16
Percent Error..................................................................................................................................... 20
Apothecary/Avoirdupois/Household Systems.................................................................................... 22
Chapter II Dimensional Analysis and Ratio Proportion.......................................................................23
Unit Conversions ............................................................................................................................... 27
Tool Shed (Conversion Factors).......................................................................................................... 28
Custom Ratio Workshop.................................................................................................................... 32
Dosage Calculations........................................................................................................................... 33
IV Flow Rate Calculations................................................................................................................... 38
Percent, Percent Strength, Ratio Strength.......................................................................................... 41
Milliequivalent Calculations............................................................................................................... 50
Chapter III Concentrations and Dilutions ...........................................................................................55
The Alligation Method ....................................................................................................................... 55
Preparing a Solution from a Stock Solution and a Diluent................................................................... 57
Calculating the Percent Strength of a Mixture.................................................................................... 59
Powder Volume Calculations............................................................................................................. 61
Serial Dilution.................................................................................................................................... 68
Self-Assessment Exercise ......................................................................................................................70
Pharmacy Calculation Puzzles...............................................................................................................73
Answers to Exercises ............................................................................................................................74
Index
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