This comprehensive text introduces the broad range of the discipline of nursing, including theory, the nursing process, and step-by-step procedures. The Fifth Edition maintains its emphasis on both wellness/health and human function as frameworks for nursing practice. The text emphasizes critical thinking by regularly incorporating features that apply to client situations, research-based discussions, clinical scenarios, and ethical-legal considerations. This edition includes new material on Evidence-Based Research and a chapter on Working with Challenging Patients.