What Is the Primary Function of the Duodenum

Multiple Choice

What is the primary function of the duodenum?

A) The primary function of the duodenum is to produce vitamin K.
B) The primary function of the duodenum is to neutralize the acidic chyme entering the small intestine.
C) The primary function of the duodenum is to regulate the speed that food enters the large intestine.
D) The primary function of the duodenum is to absorb water.
E) The primary function of the duodenum is to produce acid for the digestion of protein.