1. Abdominal pain pathophysiology: Answer Various mechanism of abdomen pain: Pain from obstruction of hollow viscus Peritoneal irritation Mucosal irritation Vascular insufficiency Altered body motility Injury to abdominal wall 2. Visceral pain: Answer constant aching type of pain 3. Parietal pain: Answer sharp, localized type pain 4. Referred pain: Answer aching type of pain, away for disease process 5. Ways to describe pain: Answer Location of pain Quality or type of pain and Intensity of the pain. 6. Questions to describe pain: Answer Does the pain come and go? Aggravating and Alleviating Does the pain radiate anywhere?