Food Poisoning

Created by: fleur
Created on: 26-05-13 09:06

Why is the number of food poisoning caused by microorganisms increasing? (six listed)

Public awareness/food becomes contaminated by air,skin,soil,animal feed,utensils/analytical techniques improved-food can be readily shown to contain fp/more groups of organisms recognised/eating out-hygiene standards/consumer knowledge of temp & time

1 of 17

Why was Samonella in eggs?

Result of a type of contamination not encountered before.

2 of 17

What organism is involved in Samonella?

Samonella enteritidis

3 of 17

What does the bacterium of Samonella infect to cause contamination in eggs?

Ovaries in chickens and gains access to the egg yolks.

4 of 17

Which part of the egg has defence mechanisms against bacteria?

White not the yolk.

5 of 17

Which foods if consumed could result in a samonella infection?

Undercooked eggs (runny yolks) and mousses.

6 of 17

How many cases of samonella infection from eggs were there in 1988?

10,500 out of 30 million eggs consumed daily

7 of 17

What organism is involved in Listeria?

Listeria monocytogenes

8 of 17

Is botulism rare?

Yes, very.

9 of 17

What is botulism?

A rare but sometimes fatal paralytic illness.

10 of 17

How is botulism caused?

The intoxication is caused by consumption of food contaminated with the botulinum toxin.

11 of 17

Is it passed from person to person? (botulism)

Not when the skin is intact

12 of 17

What is the toxin that causes botulism?

The toxin is a protein produced under anaerobic conditions (where there is no oxygen) by the bacterium Clostridium botulinum.

13 of 17

What species does it effect?

A wide range of animals; including mammals, birds and fish

14 of 17

What is the disease known as in domestic fowl?

Limberneck

15 of 17

There are several strains of clostridium botulinum which produce toxins of various potency in food, which type is deadliest?

Type A

16 of 17

What are seven serological varieties of the bacterium denoted by?

The letters A to G

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Other cards in this set

Card 2

Front

Why was Samonella in eggs?

Back

Result of a type of contamination not encountered before.

Card 3

Front

What organism is involved in Samonella?

Back

Card 4

Front

What does the bacterium of Samonella infect to cause contamination in eggs?

Back

Card 5

Front

Which part of the egg has defence mechanisms against bacteria?

Back

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Food Poisoning