Gastrointestinal Anatomy

Question 1

What are the structures of the upper GI tract?

Answer 1

Mouth
Esophagus
Stomach

Question 2

What are the structures of the Lower GI Small Intestine from proximal to distal from the stomach?

Answer 2

Duodenum
Jejunum
Ileum

Question 3

What is the job of the duodenum in the small intestine?

Answer 3

neutralizes acid in food from the stomach and mixes pancreatic and biliary secretion with food

Question 4

What is the job of the jejunum in the small intestine?

Answer 4

absorbs water, electrolytes, and nutrients

Question 5

What is the job of the ileum in the small intestine?

Answer 5

absorbs bile and intrinsic factors to be recycled

Question 6

What are the sections of the Large intestine in the lower GI tract?

Answer 6

Ascending Colon
Transverse Colon
Descending Colon
Sigmoid Colon
Rectum
Anus

Question 7

What is the job of the large intestine?

Answer 7

continue to absorb water and electrolytes, stores and eliminates undigested food as feces

Question 8

What is the job of the gallbladder?

Answer 8

Stores and releases bile into the duodenum to assist with digestion

Question 9

What is the job of the liver in the GI system?

Answer 9

bile is produced and is necessary for absorption of lipid soluble substances, assists with red blood cell and vitamin K production, regulates serum level of carbohydrates, proteins, and fats

Question 10

What is the job of the pancreas in the GI system?

Answer 10

Exocrine-secretes bicarbonate and digestive enzymes into the duodenum

Endocrine- secretes insulin, glucagon, and other hormones into the blood to regulate serum glucose level