Bugs causing diarrhea

Question 1

Bloody: Comma or S shaped organism grows at 42

Answer 1

Campy

Question 2

Bloody: Lactose negative, flagellar, animal reservoir, poultry and eggs

Answer 2

Salmonella

Question 3

Bloody: Lactose negative, very low ID50, produces toxin, human reservoir only

Answer 3

Shigella

Question 4

Bloody: O157: H7, can cuase HUS, makes SLT

Answer 4

EHEC

Question 5

Bloody: Invades colonic mucosa

Answer 5

EIEC

Question 6

Bloody: Day care outbreak, pseudoappendicitis

Answer 6

Yersinia entercolitica

Question 7

Watery: travelers

Answer 7

ETEC, produces ST and LT

Question 8

Watery: comma shaped organisms, rice water

Answer 8

V cholera

Question 9

Watery: Can cause bloody, after Abx

Answer 9

C diff

Question 10

Watery: also cause gas gangrene

Answer 10

C. perfringens

Question 11

Watery: protozoas

Answer 11

giardia, cryptosporidium (<200)

Question 12

Watery: viruses

Answer 12

rotavirus, norovirus