Small Imtestine

Question 1

Location of small intestine

Answer 1

From pyloric sphincter to ileocecal valve

Question 2

How long is small intestine

Answer 2

2-4 m

7-13 ft

Question 3

How is the small intestine suspended from the posterior abdominal wall

Answer 3

Mesentary

Question 4

How big is duodenum

Answer 4

12 finger widths

5% of small intestine

Question 5

Location of duodenum

Answer 5

Attached to stomach

Curves around pancreas

Question 6

How big is jejunum

Answer 6

40% of SI

Question 7

Location of jejunum and meaning

Answer 7

Empty

Attaches anteriorly to duodenum

Question 8

Ileum

Answer 8

Twisted intestine

Question 9

Location of ileum

Answer 9

From jejunum to large intestine

Question 10

What begins in small intestine

Answer 10

Chemical digestion of small amounts of food at a time

Question 11

Pyloric sphincters job

Answer 11

Gatekeeper

Controls food movement into small intestine from stomach

Question 12

What produces enzymes

Answer 12

Intestinal cells and pancreas

Question 13

Where the pancreatic and bile ducts join at he duodenum

Answer 13

Heparopancreatic ampulla

Question 14

What are the three structural modifications of small intestines

Answer 14

Micro villi
Villi
Pilcae circulares

Question 15

Tiny projections of the plasma membrane of muscosa cells

Answer 15

Microvilli

Question 16

The plasma membrane enzymes do what

Answer 16

Complete digestion of proteins and carbohydrates

Question 17

Finger like structures formed by mucosa

Answer 17

Villi

Question 18

Deep folds of mucosa and Submucosa

Answer 18

Pilcae circulares

Question 19

Function of the small intestine

Answer 19

Site of nutrient absorption into the blood and usable food is prepared for the cells