Presentation on theme: "ST120 Concorde Career College, Portland"— Presentation transcript:
1 ST120 Concorde Career College, Portland Digestive SystemST120Concorde Career College, Portland
2 Digestive System Objectives: Define the term digestion. Describe the functions of the digestive system.
3 Digestive System Objectives: List and identify the structures of the digestive system and describe the function of each.List and identify the accessory structures of the digestive system and describe the function of each.
4 Digestive System Objectives: Describe the importance of adequate nutrition.Describe the mechanism by which the digestive system helps to maintain homeostasis.
5 Digestive System Objectives: Describe common diseases, disorders, and conditions of the digestive system including signs and symptoms, diagnosis, and available treatment options.Demonstrate knowledge of medical terminology related to the digestive system verbally and in the written form.
6 Digestive SystemDigestion Mechanical, chemical, and enzymatic process by which ingested food is converted into material suitable for use at the cellular level.
7 Functions of the Digestive System DigestionAbsorptionNote: The digestive tract is also referred to as the alimentary tract or canal.
8 Wall of the Digestive Tract From outermost to innermostSerosa (visceral peritoneum)Muscularis (2 layers)SubmucosaMucosa
54 DigestionBreakdown of foods into usable substances
55 Endoscopic Procedures Esophagogastroduodenoscopy: visualization of the esophagus, stomach, and duodenumColonoscopy: visualization of the inner surface of the entire colon from the rectum to the cecum.Sigmoidoscopy: visualization of the sigmoid colonCapsule endoscopy: a tiny video camera in a capsule that the pt. swallows. For 8 hrs it passes through the small intestine and transmits images of the walls of the small intestine.
57 Intestinal DisordersDiverticulosis: the condition of having diverticulasmall pouch or sac occurring in the lining or wall of a tubular organ such as the esophagus or colonEnteritis: inflammation of the small intestine caused by eating or drinking substances contaminated with viral and bacterial pathogensGastroenteritisIrritable bowel syndrome: (IBS) unknown cause with symptoms that include cramping, abdominal pain, bloating, constipation, and/or diarrhea.