M7: Bacteria Affecting The GIT

Question 1

what is the GI tract?

Answer 1

a series of hollow organs joined in a long, twisting tube from the mouth to the anus

Question 2

what are the 7 hollow organs that make up the GI tract?

Answer 2

mouth, esophagus, stomach, small intestine, large intestine, and anus

Question 3

what are the 3 solid organs of the digestive system?

Answer 3

liver, pancreas, and gall bladder

Question 4

what is the function of normal gur flora?

Answer 4

Strengthen the gut integrity
Shape the intestinal epithelium
Harvest energy
Protect against pathogens
Regulate host immunity

Question 5

what is dysbiotic gut microbiota?

Answer 5

one which fails to provide the host with all the usual beneficial properties.

Question 6

What is the main disease which is a result of bacteria in the GIT?

Answer 6

Diarrhoeal Disease

Question 7

What are the two main mechanisms of diarrhoeal disease?

Answer 7

1) Invasive
- bacteria themselves cause damage

2) Exotoxin
- toxin released which causes damage
- no bacteria present can still cause disease