12) What is happening in Joe\'s digestive system as he starts eating his 4th sli
ID: 3519947 • Letter: 1
Question
12) What is happening in Joe's digestive system as he starts eating his 4th slice of pizza (10 minutes into his meal)? A) the small intestine begins absorbing nutrients from the meal B) the pyloric sphincter relaxes, allowing chyme into the duodenum C) the large intestine absorbs water from the meal D) G-cells continue to secrete gastrin into the blood stream )G-cells continue to secrete gastric inhibitory peptide (GIP) into the bloodstream 13) Two hours after Joe finishes eating his pizza A) water soluble materials like proteins are absorbed into the capillaries of the stomach. B) secretin is released from the gastroendocrine cells stimulating the release of pancreatic buffers into the stomach. C) rhythmic contractions of the stomach (mixing waves) facilitate the absorption of fats into the lacteals located in the rugae of the stomach. D) the pH of his blood goes down (acidosis). E) rhythmic contractions of the stomach (mixing waves), pepsin, and acid secreted by the parietal cells aid the digestion of protein. 14) Four hours after Joe finishes eating his pizza chyme is released into the duodenum through the pyloric sphincter causing A) cholecystokinin to be released from the duodenum into the stomach. B) gastric inhibitory peptide to be released from the duodenum into the bloodstream. C) inhibin to be released from the duodenum into the bloodstream. D) partially digested proteins to be absorbed into the bloodstream (via the capillaies in the vili), E) all of the aboveExplanation / Answer
12 D.
G cells continue to secrete gastrin into the blood stream .
Gastrin is a peptide hormone that stimulates the secretion of gastric acids (Hcl) by the parietal cells of stomach
13.E.rthymic contractions of the stomach ,Pepsin and Ho secreted by parietal cells aid in the digestion of protein .protein digestion starts In mouth and ends in small intestines. Chemical digestion of proteins occurs in stomach .
14.B .gastric inhabitory peptide to be released from the duodenum into the blood stream.
It helps the stomach to get protected from stomach acid by decreasing stomach acid release .it's released by k cells in the stomach in response to the entering of food into the small intestines. It functions or stimulates the
Stimulation of glycogen.
Stimulation of somatostatin.
Stimulation of insulin release by pancreatic islet cells
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