Bacterial Foodborne Disease Flashcards Preview

RUSVM Epidemiology 2016 > Bacterial Foodborne Disease > Flashcards

Flashcards in Bacterial Foodborne Disease Deck (39):
1

Intoxication

Do not colonize the intestinal tract
Replicate in food
Produce toxins in food

2

Infection

Colonize the GI tract

3

What are the two ways Bacterial toxins are names?

Type
Target tissue

4

What bacteria produce exotoxins?

Staphylococcus aureus
Bacillus cereus
Clostridium botulinum (produces a neurotoxin)
Clostridium perfringens

5

What bacteria produces endotoxins?

Campylobacter jejuni
Salmonella spp.
Escherichia coli
Vibrio cholera

6

What is the reservoir for Staphylococcus aureus?

Skin and nose of healthy people

7

What is the transmission for Staphylococcus aureus?

Contaminated food

8

What are the clinical signs of Staphylococcus aureus?

Vomiting
diarrhea
cramping

9

How do you prevent Staphylococcus aureus?

Proper food hygiene
Proper food storage

10

What is the reservoir for Bacillus cereus?

Soil

11

What is the transmission for Bacillus cereus?

Contaminated food

12

What are the clinical signs for Bacillus cereus?

Enteric form: Vomiting and Nausea
Diarrhea form: Diarrhea and cramping

13

How do you prevent Bacillus cereus infection?

Proper food hygiene
Proper food storage

14

What is the reservoir for Clostridium botulinum?

Soil
Intestinal tracts of Fish and mammals, shellfish, Honey

15

What is the transmission of Clostridium botulinum?

Food contaminated with spores

16

What are the clinical signs for Clostridium botulinum?

Flaccid Paralysis

17

How do you prevent Clostridium botulinum?

Avoid contamination of food
Don't feed honey to very young children
Proper preparation of food

18

What is the reservoir of Clostridium perfringens?

Soil
Intestinal tract of people and animals

19

What is the transmission of Clostridium perfringens?

Food contaminated at production, processing and preparation

20

What are the clinical signs of Clostridium perfringens?

Vomiting
Diarrhea
Abdominal cramps

21

How do you prevent Clostridium perfringens?

Proper food processing and perparation

22

What is the reservoir of Campylobacter jejuni?

Normal flora of the intestines of many bird species or mammals

23

What is the transmission of Campylobacter jejuni?

Contaminated food or water
Direct contact with farm animals

24

How do you prevent Campylobacter jejuni?

Reduce infection in bird before slaughter
Meat Hygiene
Pasteurization of milk
Proper handling and cooking of meat

25

What is the reservoir of Salmonella spp.

GI flora in many species
Skin flora of reptiles

26

What is the transmission of Salmonella spp.

Contaminated foods

27

How do you prevent Salmonella infection?

Reduce level of colonization of animals
Meat Hygiene
Pasteurization of Milk
Proper handling of food
No Cross contamination
Cook food properly

28

What is Salmonella enteritidis associated with?

Eating raw or undercooked eggs

29

What is the reservoir for E. Coli?

GI tract of mammals

30

What is the transmission of E. Coli?

Contaminated food
Carcasses contaminated in the plant
Unpasteurized milk
Veggies contaminated with water

31

How do you prevent E. coli infection?

Reduce colonization in animals
Vaccination of cattle
Proper handling of manure
Meat hygiene
Pasteurization of milk
Prevent food contamination

32

What is the reservoir for Vibrio cholerae?

Brackish rivers and coastal waters

33

What is the transmission for Vibrio Cholerae?

Contaminated Water!!

34

What are the clinical signs for Vibrio Cholerae?

Watery diarrhea

35

How do you prevent Vibrio Cholerae?

Sanitation
Sewage management
Proper food handling and preparation

36

What is the reservoir for Listeria Monocytogenes?

Soil
Water
Animals

37

How is Listeria transmitted?

Contaminated food

38

What are the clinical signs for Listeria?

Mild food poisoning flu like symptoms
Septicemia
meningitis
Abortions

39

How do you prevent Listeria?

Meat Hygiene
Pasteurize Milk
Proper food preparation