Gastroenteritis/Intestional infection

Question 1

Intestional infection is aka?

Accepted Answer

*Gastroenteritis

Question 2

Causative organism of Gastroenteritis?

Accepted Answer

*Escherichia coli

Question 3

Appreviation for Escherichia coli?

Accepted Answer

E. coli

Question 4

E. coli stands for?

Accepted Answer

*Escherichia coli

Question 5

How many pathogenic variants of Eschericia coli?

Accepted Answer

6

Question 6

What toxin is produced by the special type of E. coli?

Accepted Answer

*shiga toxin

Question 7

What Escherichia coli produces shiga toxin?

Accepted Answer

*E. coli 0157: H7 (STEC)

Question 8

What does (STEC) mean?

Accepted Answer

Shiga toxin-producing E. coli

Question 9

Characteristics of Escherichia coli?

Accepted Answer

*gram negative bacillus *facultative anarobe (happy with or without oxygen) *motile *non-spore forming

Question 10

Epidemiology of E. coli gastroenteritis?

Accepted Answer

*reservoir: animals and their environment *portal of entry: digestive tract *mode of transmission: fecal-oral root

Question 11

Incubation period of E. coli gastroenteritis?

Accepted Answer

1-3 dys

Question 12

What is the general pathogenesis of E. coli?

Accepted Answer

*colonization of small/large intestine by attaching to/invading epithelial cells

Question 13

Pathogenesis of 0157: H7?

Accepted Answer

attatches to linning of the colon and forms diarrhea inducing lesions *can secrete shiga toxins

Question 14

What harm do shiga toxins do?

Accepted Answer

*damage blood vesseles, results in intestional hemmorrhage

Question 15

Signs and symptoms of Escherichia coli?

Accepted Answer

*diarrhea (often bloody, no pus) *abdominal cramps *fever *nausea *vomiting

Question 16

How fast does it take to get better after E.coli?

Accepted Answer

3-10 dys

Question 17

Complications of E. coli?

Accepted Answer

*severe dehydration *hemolytic-uremic syndrome (HUS)

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