2 2/5 1 point Which of the following are caused by release of cholecystokinin by duodenal enteroendocrine cells in response to protein- and fat-rich chyme? Select all that apply. Increased production of $HCO_3^-$ by pancreatic duct cells Increased bile secretion by liver Suppression of gastric emptying Gall bladder contraction Relaxation of hepatopancreatic sphincter Increased secretion of pancreatic juice by acinar cells
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Step 1: Cholecystokinin is released by duodenal enteroendocrine cells in response to protein- and fat-rich chyme. Show more…
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Q14. The lower esophageal sphincter prevents chyme from moving into the large intestine. Q15. Pancreatic islets produce mucus, insulin, glucagon, and digestive enzymes like enterokinase. Q16. The longest region of the small intestine is the ileum. Q17. The small intestine contains finger-like projections called villi, which increase the surface area. It also has crypts of Lieberkuhn that secrete mucus. Q18. The pancreas releases its secretions into the duodenum. Q19. The lining of the stomach is composed of simple columnar cells and is covered by thick, viscous mucus. It also has folds called rugae. Q20. The function of the gall bladder includes the secretion and storage of bile, as well as the secretion of the stomach hormone gastrin.
Madhur L.
20 Bile salts aid in the digestion of fats by large fat droplets. 22 Pancreatic juice enters the small intestine at the duodenal papilla. 23 A blood clot blocking flow through the liver might cause jaundice. 24 Pancreatic juice is an alkaline mixture of enzymes, water, and ions produced by acinar cells. 25 What are the pancreatic enzymes? 26 Which of the following descriptions best matches the term submucosal plexus? 27 Waves of muscular contractions that propel the contents of the digestive tract are called 28 The lamina propria and mucous epithelium are components of the 28 Which of the following descriptions best matches the term myenteric plexus? 29 Contraction of the alters the shape of the intestinal lumen and moves epithelial pleats and folds. 30 The are double sheets of peritoneal membrane that suspend the visceral organs and carry nerves, lymphatics, and blood vessels.
Select correct answer. No explanation needed. 1. Villi and microvilli function in: A. Secretion of bile B. Absorption of nutrients C. Secretion of amylase D. Gas exchange E. Digestion of protein 2. The most important function of the large intestine is: A. Elimination of urine B. Absorption of nutrients C. Elimination of CO2 D. Absorption of water E. Absorption of oxygen 3. The mouth functions to: A. Complete protein digestion B. Complete starch digestion C. Begin starch digestion D. Begin fat digestion E. Begin protein digestion 4. An important function of the pancreas is: A. Neutralization of chyme B. Fat digestion C. Absorption of nutrients D. Production of bile E. Absorption of water 5. The stomach is able to begin the digestion of protein because of the secretions of: A. Gastrin cells B. Chief cells C. Mucus cells D. Parietal cells E. None of the above
Md.Daniyal A.
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