and information sources chapter 2: basic principles of drug action and drug interactions chapter 3: drug action across the life spanchapter 4: the nursing process and pharmacology chapter 5: patient education to promote health unit 2: illustrated atlas of medication administrationchapter 6: principles of medication administration and medication safety chapter 7: percutaneous administrationchapter 8: enteral administrationchapter 9: parenteral administration: safe preparation of parenteral medications chapter 10: parenteral administration: intradermal