GI#1 GI System Med School AUA 2023 (Intro to GI System -PPT INTRO AUA GI) Questions With Complete Solutions

GI tract includes correct answer: mouth, esophagus, stomach, small intestine, large intestine Major Accessory Glands correct answer: Salivary glands, liver, gallbladder, pancreas Mouth correct answer: Taste, chewing, bolus formation Esophagus correct answer: Transport Stomach correct answer: Storage, grinding, mixing, digestion, acid secretion Endocrine Pancreas correct answer: Digestion, HCO3- buffer Large Intestine correct answer: Fluid & electrolyte absorption Rectum correct answer: Storage, excretion Saliva correct answer: Lubrication, protection, digestion Liver correct answer: metabolism, detoxification Bile correct answer: Lipid digestions, excretion GallBladder correct answer: Bile storage Small Intestine correct answer: Digestion, absorption Cecum correct answer: Storage 10 seconds correct answer: time it takes for swallowed food to travel down the esophagus to the stomach 1-4 hours correct answer: Food remains in the stomach Stomach motility mixes and grinds food correct answer: into small particles suitable for delivery to the small intestine via the PYLORIC SPHINCTER Exocrine secretions correct answer: from the stomach mucosa help to dilute and dissolve food Gastric Acid correct answer: assists in dissolving and denaturing the components of food Entry of food into the small intestine is coordinated correct answer: with the delivery of major exocrine secretions from the BILIARY SYSTEM and the PANCREAS 1. Pancreas enzymes are essential for digestion correct answer: The pancreas also secretes HCO3- which neutralizes acid from the stomach 2. Contractions of the gallbladder deliver stored BILE correct answer: to the intestine. Bile acids are the major organic