The document describes the four main components of a physical examination: 1. Inspection involves visual examination of the body part. For the abdomen, it notes the shape, skin abnormalities, masses, and movement with respiration. 2. Palpation uses touch, mostly for the abdomen to check for masses, tenderness, or enlarged organs like the liver or kidneys. 3. Percussion taps the body to determine the size, consistency and borders of organs, and presence of fluid, by the sounds produced. 4. Auscultation listens to body sounds like lungs, heart, intestines using a stethoscope to evaluate frequency, intensity, duration, number and quality of sounds. It can also listen