Final answer:
Rebound tenderness is a result of peritoneal irritation, which causes pain in the abdomen upon the release of pressure. It is commonly seen in conditions like acute appendicitis or peritonitis.
Step-by-step explanation:
Rebound tenderness is a result of peritoneal irritation. This term refers to pain that occurs upon the release of pressure from an area of the abdomen that is tender when pressure is applied. It is often associated with conditions such as acute appendicitis or peritonitis.