Stomach and Duodenum

Question 1

Filling and distending the stomach and duodenum. Demonstration of the distal stomach and duodenum

Answer 1

Single contrast technique

Question 2

Small amounts of barium to coat the mucosa WITHOUT distending

Answer 2

Mucosal Relief Technique

Question 3

Using high density barium suspensions to coat the mucosa and ingeetible effervescent granules. Demonstration of subtle features of the mucosal surface

Answer 3

Double contrast technique

Question 4

Document abnormalities of the wall of the stomach and duodenum and to determine extent of extraluminal disease

Answer 4

Air contrast distention

Question 5

Major muscular structure of the bowel wall

Answer 5

Muscularis propria (IC-OL)

Question 6

Major role in host immune defense

Answer 6

MALT

Question 7

Refers to the region of the gastroesophageal junction

Answer 7

Cardia

Question 8

Portion of the stomach above GEJ

Answer 8

Fundus

Question 9

Central 2/3rds from cardia to incisura

Answer 9

Body

Question 10

Acute angle formed on the lesser curvature that marks the boundary between body and antrum

Answer 10

Incisura angularis

Question 11

Produces
HCl
Pepsin precursors
Located in the

Answer 11

Parietal cell
Chief cells
Fundus and body (proximal 2/3)

Question 12

Produces
Gastrin producing cells located in the

Answer 12

Antrum (distal 1/3)

Question 13

Junction of the stomach with the duodenum

Answer 13

Pylorus

Question 14

Pyramidal first portion of the duodenum

Answer 14

Duodenal bulb or cap

Question 15

Lateral to the head of the pancreas

Answer 15

2nd portion/descending

Question 16

Portion where the CBD and pancreatic duct pierce

Answer 16

Descending/2nd portion (ampulla of vater)

Question 17

Passes to the left between the SMV and IVC and aorta

Answer 17

3rd/horizontal

Question 18

Ascends on the left side of the aorta to the level of ___ and ____

Answer 18

4th portion/ascending
L2 and ligament of Treitz

Question 19

Detailed pattern of the gastric mucosa as demonstrated by double contrast technique

Answer 19

Areae gastricae

Question 20

Gastric mucosal folds that produce distinct radiolucent ridges when the stomach is partially distended

Answer 20

Rugae

Question 21

Rugal folds are most prominent in the
Absent in the

Answer 21

Fundus and proximal body
Antrum

Question 22

Gastric wall thickness
Antrum
Body
Duodenum

Answer 22

Antrum-5-7mm
Body-2-3mm
Duodenum-<3mm

Question 23

Highest part of the fourth part of the duodenum

Answer 23

Ligamrnt of Treitz