Chapter 15 pt 2

Question 1

The small intestine extends from ___ to the ileocecal valve.

Answer 1

pyloric sphincter

Question 2

How long is the average adult intestine length? (inches and meters)

Answer 2

22 feet
6.7 meters

Question 3

T/F: The small intestine has the same 4 walls and layers as the esophagus and stomach.

Answer 3

True

Question 4

What are the fingerlike projections that aid in the process of digestion and absorption?

Answer 4

villi

Question 5

What are the three portions of the small intestine?

Answer 5

Duodenum, jejunum, and ileum

Question 6

What is the largest part of the small intestine?

Answer 6

duodenum

Question 7

What part of the small intestine is the UPPER part?

Answer 7

jejunum

Question 8

What is the lowest part of the small intestine?

Answer 8

ileum

Question 9

What part of the small intestine is c-shaped?

Answer 9

the duodenum

Question 10

How long is the duodenum? (in inches)

Answer 10

8 -10 inches

Question 11

T/F: the duodenum has 4 region.

Answer 11

True

Question 12

What are the regions of the duodenum?

Answer 12

(1)Superior
(2) Descending
(3): Horizontal/inferior
(4): Ascending

Question 13

The duodenum is fixed in position and is located in the ________

Answer 13

retroperitoneal space

Question 14

What is the portion that joins the duodenum to the jejunum is called the :

Answer 14

duodenojejunal flexure

Question 15

What is the duodenojejunal flexure is supported by:

Answer 15

the ligament of Treitz