Multiple Choice
Which of the following is a primary function of the digestive system?
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23. The Digestive System
Introduction to the Digestive System
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Which of the following statements about the duodenum is false?
A
The duodenum receives bile and pancreatic juices.
B
The duodenum plays a role in neutralizing stomach acid.
C
The duodenum is primarily responsible for water absorption.
D
The duodenum is the first part of the small intestine.
Verified step by step guidance1
Identify the role of the duodenum in the digestive system. The duodenum is the first section of the small intestine and plays a crucial role in digestion by receiving chyme from the stomach.
Understand the function of bile and pancreatic juices. The duodenum receives bile from the liver and gallbladder, and pancreatic juices from the pancreas, which aid in the digestion of fats, proteins, and carbohydrates.
Recognize the duodenum's role in neutralizing stomach acid. The duodenum contains Brunner's glands that secrete an alkaline mucus to help neutralize the acidic chyme from the stomach.
Clarify the primary functions of the duodenum. While it is involved in digestion and neutralization, the duodenum is not primarily responsible for water absorption; this function is mainly carried out by the large intestine.
Evaluate the statements given in the problem. The statement that the duodenum is primarily responsible for water absorption is false, as this is not its main function.
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