Thick mucous coat is -
Ans. is 'a' i.e., Protective in ulcer patientsSurface mucus layer acts as a defensive force and protects against peptic ulceration.Defensive forces include : Damaging forces include :I. Surface mucus 1. Gastric acidity Bicarbonate secretion into mucusMucosal blood flowApical surface membrane transpoEpithelial regereration capacityElaboration of prostaglandinsPeptic enzymesH. Pylori infectionNSAIDS, Aspirin, Cigarette, alcoholDuodenogastric refluxIshaemiaShockDelayed gastric emptying
Protective in ulcer patients
Not protective in ulcer patients
Easily destroyed by antacids
Commonly associated with carcinomatous change