Small Intestine

Question 1

Name the parts of the s.intestine

Answer 1

Duodenum
Jejunum
Ileum

Question 2

Name the connection between the DUODENUM and JEJUNUM

Answer 2

Duodenojejunal junction

Question 3

Blood supply to the DUODENUM

Answer 3

Celiac trunk

Question 4

Position of the DUODENUM

Answer 4

Retroperitoneal

12 fingers long

Question 5

Name of the sphincter connecting the ILEUM and LARGE INTESTINE

Answer 5

Ileocecal sphincter

Question 6

Functions of the small intestine

Answer 6

Digestion and Absorption

Question 7

Structures of the s.intestine that increase SA

Answer 7

Villi and Microvilli

Question 8

Types of ENTEROENDOCRINE CELLS

Answer 8

CCK cells
S cells
K cells

Question 9

CCK cells

Answer 9

Secrete CCK due to the release of bile

Question 10

S cells

Answer 10

Secrete Secretin due to a low pH

Causes an increase of bicarbonate

Question 11

K cells

Answer 11

Secrete gastro inhibitory peptide (GIP) due to carbohydrates/proteins/fats
Stimulates Insulin release

Question 12

Role of GOBLET CELLS

Answer 12

Secrete mucin

Question 13

Role and location of BRUNNER’S GLANDS

Answer 13

Secrete alkaline to neutralise chyme

Found in the duodenum

Question 14

PEYER’S PATCHES

Answer 14

Type of lymphatic tissue

Secrete IgA to prevent pathogen adhesion