NURS 310 Study Guide - Final Guide: Hypercalcaemia, Mineral Oil, Fetal Position
Document Summary
What are two of the most common disorders of the upper digestive system: peptic ulcer disease (pud, gastroesophageal reflux disease (gerd) A sphincter from the esophagus to the stomach. A ring of smooth muscle that prevents food from traveling back up. Where is the pyloric sphincter the gateway in between the stomach and small intestine. Chemically digest the food through secretion of substances. Physical digest the food by mixing the ingested food with the chemicals. Explain how and what causes the chemical breakdown of foods: gastric glands on the lining of the stomach have what is called a mucosa, each mucosa has two cell types: chief cells and parietal cells. Chief cells secrete pepsinogen which is an inactive form of pepsin which breaks down proteins. Erosion of the mucosal lining of the gi tract. Peptic ulcer (pud): lesion in stomach or duodenum (small intenstine) Risk factors: smoking, blood group o, family, drugs(nsaids, glucocorticoids, asa)
