The first portion of the small intestine which receives secretions from the gallbladder and pancreas is the?

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Enhance your knowledge of the digestive system with our quiz. Answer multiple choice questions with detailed explanations. Prepare effectively for your anatomy and physiology exam!

Multiple Choice

The first portion of the small intestine which receives secretions from the gallbladder and pancreas is the?

Explanation:
The duodenum is the first portion of the small intestine that receives secretions from the gallbladder and pancreas. As chyme from the stomach enters, bile and pancreatic juice are delivered into the duodenum through the common bile duct and pancreatic duct, meeting at the hepatopancreatic ampulla and opening into the lumen at the major duodenal papilla. These secretions begin digestion—bile emulsifies fats and pancreatic enzymes digest carbohydrates, proteins, and fats—before absorption mainly occurs further along in the jejunum and ileum. The cecum is part of the large intestine, not the small intestine.

The duodenum is the first portion of the small intestine that receives secretions from the gallbladder and pancreas. As chyme from the stomach enters, bile and pancreatic juice are delivered into the duodenum through the common bile duct and pancreatic duct, meeting at the hepatopancreatic ampulla and opening into the lumen at the major duodenal papilla. These secretions begin digestion—bile emulsifies fats and pancreatic enzymes digest carbohydrates, proteins, and fats—before absorption mainly occurs further along in the jejunum and ileum. The cecum is part of the large intestine, not the small intestine.

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