Table 2.4 Extraintestinal pathways that bypass the sequential synaptic circuits of the ENS to engage communication in the GI tract

Question 1

Which 3 extraintestinal “reflex” pathways are stimulated by gastric distention (bloating)?

Answer 1

1. vago-vagal
2. gastroileal
3. gastrocolic

Question 2

Which extraintestinal “reflex” pathway is stimulated by acid, fat, and protein in the DUODENUM?

Answer 2

enterogastric

Question 3

Which extraintestinal “reflex” pathway is stimulated by distention in a part of the intestine?

Answer 3

intestino-intestinal

Question 4

Which extra intestinal “reflex” pathway is stimulated by distention of the ileum?

Answer 4

ileogastric

Question 5

Which extra intestinal “reflex” pathway stimulates gastric secretion of HCL and gastrin?

Answer 5

vago-vagal

Question 6

Which extra intestinal “reflex” pathway regulates gastric motility?

Answer 6

vago-vagal

Question 7

Which extra intestinal “reflex” pathway stimulates relaxation of the ileocecal sphincter and motility of the ileum?

Answer 7

gastroileal

Question 8

Which extra intestinal “reflex” pathway stimulates motility of the colon?

Answer 8

gastrocolic

Question 9

Which extra intestinal “reflex” pathways inhibits gastric emptying?

Answer 9

enterogastric and ileogastric

Question 10

Which extra intestinal “reflex” pathway inhibits motility below the site of distention?

Answer 10

intestino-intestinal

Question 11

Which extra intestinal “reflex” pathway has the effect of receptive relaxation of the proximal stomach?

Answer 11

vago-vagal