How to Use this Book. Health Promotion. Blood Disorders. Dermatology. The Eye and External Adenexa. Head and Neck. Respiratory System. The Cardiovascular System. The Gastrointestinal System. Endocrine Disorders. Nervous System. Musculoskeletal Disorders. Genito Urinary Conditions. Men’s health. Women’s health. Mental Health and the Nurse Practitioner in Primary Health Care. Care of the Child. Care of the Older Adult.