Name UNIT. Section Date REVIEW Check Your Understanding Critical Thinking and Ap
ID: 3513114 • Letter: N
Question
Name UNIT. Section Date REVIEW Check Your Understanding Critical Thinking and Application Questions Eva has been diagnosed with gallstones, which are lumps of cholesterol and other components of bile. One of the gallstones is blocking her cystic duct, preventing the release of bile from the gallbladder a Will the gallstones prevent bile from being produced and released into the duodenum? Why or why not? 1 b Predict what might happen if a gallstone were to block Eva's pancreatic duct, preventing the release of pancreatic juice into the duodenum.Explanation / Answer
1.a. Answer is no. Removal of gall bladder will not prevent bile from being produced and released into duodenum. Chloecystokinin stimulates contractions in smooth muscle of gall bladder and also cause a relaxation of sphincter of oddi, allowing the bile to release into duodenum. Generally fatty acids in the lumen of duodenum stimulates endocrine cells to release harmone cholecystokinin.
b.Pancreatic juice generally helps to regulate the acidity of the food. It is because of its nature which is alkaline and due to presence of large amounts of bicarbonate ions.The sphincter of oddi surrounds the exit of bile duct and pancreatic duct.It opens by reflux action when food enters into stomach , so that juices can be released which helps in digestion .
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