Certified Surgical First Assistant (CSFA) Practice Test

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What does the term "duodenum" primarily refer to?

First part of the large intestine
First part of the small intestine
Second part of the stomach
First part of the esophagus

The correct answer is: First part of the small intestine

The term "duodenum" primarily refers to the first part of the small intestine. It is a crucial section of the digestive system, situated just after the stomach and before the jejunum, which is the next segment of the small intestine. The duodenum plays a vital role in digestion, as it is where a significant amount of chemical digestion occurs. It receives chyme from the stomach, bile from the liver, and pancreatic enzymes, which contribute to the breakdown of food substances. Understanding the anatomy and function of the duodenum is essential for comprehending various digestive processes and conditions related to the small intestine.