Pharmaceutical Calculations

by Rees, Judith A.; Smith, Ian

• ISBN13: 9780853696025
• ISBN10: 0853696020
• Edition: 1st
• Format: Paperback
• Copyright: 2005-12-07
• Publisher: Pharmaceutical Pr

Summary

Pharmaceutical Calculations Workbook is the companion self-study aid to Introduction to Pharmaceutical Calculations, 2nd edn. It contains practice calculations (with answers) similar to those that might be presented in pharmacy examinations and in practice.

Table of Contents

Preface	vi
About the authors	ix
How to use this workbook	1	(1)
Calculations involving rational numbers	2	(26)
Answers	22	(6)
Calculations involving systems of units	28	(20)
Changing metric units	28	(8)
Changing units between different systems of measurement	36	(8)
Answers	44	(4)
Calculations involving concentrations	48	(26)
Strengths	48	(4)
Converting expressions of concentration from one form to another	52	(6)
Calculating the amount of ingredient required to make up a percentage strength	58	(2)
Calculating the amount of ingredient required to prepare a ratio strength solution	60	(8)
Answers	68	(6)
Calculations involving dilutions	74	(32)
Finding the strength of a diluted product	74	(4)
Finding the amount of product needed to be diluted to give a stated strength	78	(2)
Finding the amount of diluent that must be added to give a stated strength	80	(2)
Finding the amount of product of a given strength that can be made from an initial stated strength and amount	82	(2)
Calculating the initial strength of a product given the final strength and the degree of dilution	84	(2)
Calculating the initial amount of ingredient in a stated amount that is then diluted in a stated way to produce a final stated strength	86	(1)
Calculating dilutions when the final amount changes	86	(2)
Mixing concentrations	88	(6)
Concentrated water calculations	94	(2)
Trituration calculations	96	(2)
Miscellaneous	98	(2)
Answers	100	(6)
Calculations involving formulations	106	(34)
Formulae	106	(12)
Formulae involving parts	118	(8)
Formulae involving percentages	126	(6)
Miscellaneous	132	(2)
Answers	134	(6)
Calculations involving doses	140	(28)
Basic calculations involving doses	140	(10)
Calculations involving drugs, doses and individual patients	150	(14)
Answers	164	(4)
Calculations involving density, displacement volumes and displacement values	168	(22)
Basic calculations involving density	168	(4)
Basic calculations involving displacement volumes	172	(2)
Basic calculations involving displacement values	174	(2)
Calculations involving drugs and the use of density, displacement volumes and displacement values	176	(10)
Answers	186	(4)
Calculations involving molecular weights	190	(20)
Basic calculations involving salts and hydrates	190	(6)
Calculations involving drugs	196	(10)
Answers	206	(4)
Calculations involving parenteral solutions	210	(18)
Basic calculations for drugs diluted before intravenous infusion	210	(4)
Basic calculations involving the delivery of intravenous drugs	214	(2)
Calculations involving drugs and parenteral solutions	216	(12)
Answers	228