Gastrointestinal Tract Anatomy and Physiology Quiz

Digestive Enzymes

• The production of all 3 enzymes (protease, carbohydrase, lipase) occurs in the pancreas.

Stomach Function

• Hydrochloric acid in the stomach helps to denature proteins and activate pepsin, an enzyme that breaks down proteins into smaller peptides.

Small Intestine Structure

• Villi in the small intestine increase the surface area, allowing for more efficient absorption of nutrients into the bloodstream.

Sphincters in Digestion

• Sphincters in the digestive tract act as muscular rings that control the flow of food and prevent backflow, ensuring a one-way movement of food through the digestive system.

Large Intestine Function

• The primary function of the large intestine is to absorb water and electrolytes, and store and eliminate feces.