Large intestine & phases of digestion

What is the main function of the large intestine?

• Protein digestion

• Nutrient absorption

• Water and electrolyte absorption

• Enzyme secretion

What is the function of goblet cells in the large intestine?

• Absorb nutrients

• Secrete digestive enzymes

• Secrete mucus

• Produce bile

What triggers the defecation reflex?

• Presence of food in the stomach

• Stretching of the rectal wall

• Release of bile

• Contraction of the ileum

What is the main purpose of the intestinal phase?

• Stimulate gastric emptying

• Inhibit gastric activity

• Increase salivation

• Absorb water

What is the primary stimulus for the gastric phase?

• Presence of chyme in the duodenum

• Thought of food

• Presence of food in the stomach

• Smell of food

Which hormone is released in response to fatty acids in the duodenum?

• Gastrin

• Secretin

• CCK (Cholecystokinin)

• Pepsinogen