GI

Question 1

Name the functions of the GI System

Answer 1

1. Propulsion
2. Secretion
3. Digestion
4. Absorption
5. Barrier Function

Question 2

Name the seven sphincters

Answer 2

1. upper esophageal
2. lower esophageal
3. pyloric (between stomach and small intestine)
4. ileocecal
5. colorectal
6. internal anal
7. external anal (voluntary)

Question 3

What are the four major tissue layers of the digestive tract wall from inner to outer?

Answer 3

1. mucosa
2. submucosa
3. muscularis externa
4. serosa