This document provides an overview of the anatomy and examination of the ears, nose, mouth, and throat. It describes the key structures and functions of the external, middle, and inner ear. Examination of the ears involves inspection of the external ear canal and eardrum using an otoscope. Hearing is tested using voice tests and tuning fork tests. The nose contains structures that warm, moisten, and filter air as well as the olfactory receptors for smell. The mouth is the beginning of the digestive and respiratory tracts and contains the teeth, tongue, and salivary glands. The throat contains the tonsils and leads to the nasopharynx. Examination of the nose, mouth and throat