Anatomy of GI tract

Question 1

What is the pathway of food

Answer 1

Oral cavity 
pharynx
oesophagus
stomach
duodenum
jujudenum
illium
large intestine
rectume and anus

Question 2

Name the 3 parts of the small intestine

Answer 2

Duodenum, jujudenum and illium

Question 3

What enters the small intestine at the duodenum

Answer 3

Psncreatic secretions and bile

Question 4

How do pancreatic secretions and bile enter the small intestine

Answer 4

Via major duodenal papilla

Question 5

What is the function of the small intestine

Answer 5

Digestion and absorption

Question 6

What type of epithelia is found in the small intestine

Answer 6

Simple columnar

Question 7

What are the 4 histological layers of the small intestine

Answer 7

Mucosa, submucosa, muscular and externa adventitia

Question 8

What small structures so small intestines contain

Answer 8

villi

Question 9

What is the oesophagus lined with

Answer 9

Muscularis mucosa (smooth muscle)

Question 10

What type of epithelia is found in the oesophogus

Answer 10

Stratified squamous

Question 11

In what part of the abdomen is the stomach located in

Answer 11

Left hypochondrium

Question 12

What is the main arterial blood supply of the stomach

Answer 12

Coeliac trunk

Question 13

How many layers of muscles are there in the walls of the stomach

Answer 13

3

Question 14

Name 3 functions of the stomah

Answer 14

Secrete gastic juices
Mixing up of food to form chyme
storage of food

Question 15

What do chief cells secrete

Answer 15

pepsinogen

Question 16

What is the function of pepsinogen

Answer 16

To break specific peptide bonds

Question 17

What do endocrine cells produce

Answer 17

Gastrin

Question 18

What is the role of gastrin

Answer 18

It stimulates acid and pepsinogen production

Question 19

What do parietal cells produce

Answer 19

HCL

Question 20

What is the role of hcl

Answer 20

HCL activates pepsinogen

Question 21

What do mucous neck cells produce

Answer 21

They produce mucous

Question 22

What is the role of mucous

Answer 22

to protect epithelia from hcl

Question 23

What arteries supply the large intestine

Answer 23

Inferior and superior mesenteric arteries

Question 24

What type of epithelia is found in large intestine.

Answer 24

Columnar

Question 25

What are the main cells called that are found in the liver

Answer 25

hepatocytes

Question 26

What do hepatocyte produce

Answer 26

Bile

Question 27

What is the function of bile

Answer 27

To absorb fat producing micelle

Question 28

What is the main blood supply of the liver

Answer 28

Hepatic artery

Question 29

How many lobes does the liver have

Answer 29

4

Question 30

Name some functions of liver

Answer 30

Produces bile
releases glucose
glycogen storage
metabolism

Question 31

What does the exocrine part of the pancreas produce

Answer 31

Panreatic juice

Question 32

What does the endocrine part of the pancreas produce

Answer 32

Hormones

Question 33

What is the function of the gallbladder

Answer 33

Stores and concentrates bile

Question 34

What epithelia is found at the rectum

Answer 34

Columnar

Question 35

What epithelia is found at the anus

Answer 35

stratified squamous

Question 36

At what level is the pharynx found

Answer 36

C6

Question 37

What are the 3 pars of the pharynx

Answer 37

Naso
oro
laryngo

Question 38

What is the function of the pharynx

Answer 38

Conducts air allowing muscles to direct food to the oesophogus

Question 39

What are the 3 main vessels of the GI tract

Answer 39

Coeliac trun,sup./inf. mesenteric artery

Question 40

Where do the 3 main vessels of GI tract originate?

Answer 40

The abdominal aorta

Question 41

What do salivary glands produce

Answer 41

Saliva

Question 42

What is the function of saliva

Answer 42

To maintain healthy oral tissues and to begin the digestion of carbohydrtaes