Understanding the Stomach

What is the primary function of the pyloric sphincter?

• To control the entry of food into the stomach

• To regulate the passage of chyme into the duodenum

• To secrete digestive enzymes

• To absorb nutrients

Which part of the stomach is responsible for receiving contents from the esophagus?

• Body

• Cardia

• Pylorus

• Fundus

What is the role of the outer longitudinal layer in the stomach?

• To create a turning motion

• To control chyme movement into the duodenum

• To secrete gastric acid

• To move partially digested food towards the pylorus

Which artery supplies blood to the greater curvature of the stomach?

• Right and left gastroepiploic arteries

• Right gastric artery

• Left gastric artery

• Short gastric arteries

What is the function of the gastric rugae in the stomach?

• To supply blood to the stomach

• To allow the stomach to expand and increase surface area for absorption

• To secrete digestive enzymes

• To control the movement of chyme