Lower GI track+

Question 1

GROSS ANATOMY – SMALL INTESTINE

Answer 1

Continues on from the Stomach at the Pyloric Sphincter
Empties into the Caecum at Ileocecal valve
Comprised of 3 portions:
Duodenum
Jejunum
Ileum

Question 2

The types of MUSCULAR LAYERS and their roles

Answer 2

Longitudinal muscles – shortening of gut
Circular muscle – closing of lumen

When contracted peristaltic action forces chyme further along the digestive tract

Question 3

GROSS ANATOMY - LARGE INTESTINE

Answer 3

Split up into 6 sections
     -Caecum
     -Ascending 
     -Transverse
     -Descending
     -Sigmoid
     -Rectum
Also has flexures and a (vermiform) appendix

Question 4

Bile salts are absorbed in the jejunum.

True or false

Answer 4

False

Question 5

The appendix is full of good bacteria

True or false

Answer 5

True

Question 6

The plicae circulares slows down the passage of food.

True or false

Answer 6

True

Question 7

Haustrations are found in the large bowel

True or false

Answer 7

True

Question 8

The caecum is found in the epigastric region.

True or false

Answer 8

False

Question 9

Pancreatic juice contains lipase

True or false

Answer 9

True

Question 10

The ascending colon is a retroperitoneal structure

True or false

Answer 10

True

Question 11

Peyer’s patches are found in the duodenum

True or false

Answer 11

False

Question 12

The ascending colon is supplied by branches of the Superior Mesenteric Artery.
True or false

Answer 12

True

Question 13

The iliac forms parts of the small intestine.

True or false

Answer 13

False

its the ileum

Question 14

Finger like projections in the wall of the bowel are called villi
True or false

Answer 14

False

Question 15

The rectum sits at the Level of L2

True or false

Answer 15

False

the rectum sits at the Level of S3

Question 16

The hepatic flexure is found between the descending and transverse portions of the colon
True or false

Answer 16

False

Question 17

All of the duodenum is intraperitoneal

True or false

Answer 17

False