This book is a core fundamentals textbook for the introduction to audiology course that all undergraduate speech pathology and audiology students are required to take. Chapters cover the communication chain; structure and function of the auditory system; auditory disorders; audiologic measurement; screening for hearing loss and middle ear status; prosthetic devices for the hearing impaired; and rehabilitation and habilitation for individuals with impaired hearing. Boxed learning activities, vignettes, and commentaries enhance students' understanding of key audiology concepts and their clinical applications. A companion website offers a quiz bank, case studies with questions, an interactive screening program, animations, 25 video demonstations, labeling exercises, an anatomy and physiology image bank, and an audio glossary. A companion website offers a quiz bank, case studies with questions, an interactive screening program, animations, 25 video demonstations, labeling exercises, an anatomy and physiology image bank, and an audio glossary.