Small intestine Flashcards

1
Q

How long is the small intestine

A

approx 7m

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What are the three parts of the small intestine

A

Duodenum
Jejunum
ileum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What part of the small intestine in C-shaped

A

Duodenum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What does the duodenum surround

A

The pancreas

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What are the parts (in order) of the duodenum

A

Superior
Descending
Inferior/horizontal
Ascending

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is the beginning of the superior part of the duodenum called

A

Duodenal cap (ampulla)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What part of the duodenum does the bile duct and pancreas drain into

A

Descending part

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is the longest part of the duodenum

A

Inferor or Horizontal part

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What part of the duodenum terminates at the duodenojejunal flexure

A

Ascending part

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Is the duodenum peritoneal or retroperitoneal

A

All of it is retroperitoneal except for the duodenal cap

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What passes anterior to the third part of the duodenum

A

Superior mesenteric artery and vein

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What gives blood supply to the duodenum

A

Superior pancreaticoduodenal artery
Supraduodenal artery
inferior pancreaticoduodenal artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Which artery that supplies the duodenum is not from the gastroduodenal artery, which artery is it from

A

Inferior pancreaticoduodenal artery

from superior mesenteric artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What extends from the diaphragm to the duodenojejunal flexures

A

Suspensory muscle of the duodenum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What give autonomic nerve supply to the duodenum

A

celiac and superior mesenteric plexuses

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is the most common site for a duodenal ulcer to occur

A

Duodenal cap

17
Q

If the contents of a duodenal ulcer perferate into the perironeal cavity what side does it end up on

A

Right side

18
Q

What organs are often damaged due to a duodenal ulcer

A

Liver
Pancreas
Gall bladder

19
Q

if a person has a duodenal ulcer where might they have a subluxation

A

Mid thoracic region

20
Q

What part of the small intestine makes up the proximal two-fifths

A

Jejunum

21
Q

What part of the small intestine makes up the distal three fifths

A

Ileum

22
Q

What suspends the jejunum and the ilium

A

Mesentery

23
Q

What does the jejunum mainly absorb

A

Nutrients

24
Q

What does the ileum mainly absorb

A

fat soluble vitamins, B12, bile salts

25
Q

What are the terminal branches of arteries that travel through the mesentery to supply the small intestine

A

Vasa Recta

26
Q

What are the folds in the small intestine called

A

Plicae circulares

27
Q

What are the aggregations of lymphoid tissue found in the walls of the small intestine

A

Peyer’s patches

28
Q

What supplies blood to the ileum and jejunum

A

Jejunal and ileal branches of the superior mesenteric artery

29
Q

What gives autonomic innervation to the ileum and jejunum

A

Superior mesenteric plexus

30
Q

What is ileal Diverticulum

A

common malformation of the digestive tract

31
Q

What causes ileal diverticulum

A

remnants of the embryonic vitelline duct

32
Q

What happens if the ileal diverticulum becomes inflamed

A

it will mimic apendasitis

33
Q

What is a finger-like pouch that projects off the ileum and contains all the layers of the ileum.

A

Ileal diverticulum

34
Q

What tissues may also be found in an ileal diverticulum

A

pancreatic + gastric tissue (may secrete acid)

35
Q

What is the inflamatory bowel disease that affects the distal ileum, resulting in pain and malapsorption

A

Crohn’s disease

36
Q

What appearance does Crohn’s disease give on a radiograph

A

Cobblestone

37
Q

Subluxations of which segments may affect motility

A

Lower thoracic