cross contamination. Flashcards
why is it essential to control the conditions in which bacteria can grow?
they spread, multiply and cause illness.
how would you control the conditions in which bacteria grow in?
stick to strict time and temperature controls.
what happens collectively if an individual eats food that is contaminated by certain bacteria( pathogens) and viruses?
become ill.
fill in the blank: kitchens provide ideal conditions for………………
bacteria to grow.
what size is bacteria?
microscopic.
can you tell if food is contaminated by just looking at it?
no.
what is food poising cause by?
bacteria multiplying in or on food.
salmonella: foods affected.
raw meat.
eggs.
seafood.
dairy products.
salmonella: symptoms.
diarrhoea.
vomiting.
fever.
salmonella: how long do symptoms last/onset?
12-36 hours.
salmonella: who may it be fatal to and where can it also be found in humans and animals?
elderly and babies.
found in human and animal excreta.
staphylococcus aureus: foods affected.
cooked sliced meat.
dairy products.
anything touched by hand.
staphylococcus aureus: symptoms.
vomiting.
diarrhoea.
abdominal pain.
staphylococcus aureus: onset.
1-6 hours.
staphylococcus aureus: where is it present and what is it associated with?
nasal passage, throat and skin.
dirty food handerlers.
clostridium perfingens: foods affected.
raw and cooked meat.
meat products.
clostridium perfingens: symptoms.
nausea.
diarrhoea.
abdominal pain.
clostridium perfingens: onset.
8-22 hours.
clostridium botulinum: foods affected.
incorrectly canned: meat, fish or vegetables.
clostridium botulinum: symptoms.
paralysis.
difficulty breathing.
double vision.
nausea.
vomiting.
clostridium botulinum: onset.
12-48 hours.
clostridium botulinum: how often does this occur?
rare.
bacillus cereus: foods affected.
cooked rice.
pasta.
cereal foods.
bacillus cereus: symptoms.
nausea.
vomiting.
diarrhoea.
bacillus cereus: onset.
1-6 hours.
what are food borne diseases caused by?
pathogenic microbes (bacteria and viruses.)
where do these microbes multiply?
not on the food but in the person who has eaten it.
E-coli: foods affected.
raw meat.
untreated milk.
untreated water.
E-coli: symptoms:
vomiting.
blood in diarrhoea.
kidney damage or failure.
E-coli: onset.
12-24 hours.
E-coli: what does it cause in humans?
gastro-enteritis in humans.
listeria monocytogenes: foods affected.
soft cheeses.
pate.
unpasteurized milk.
undercooked meat.
incorrectly heated cook-chill meals.
listeria monocytogenes: symptoms.
range of symptoms: from mild flu like symptoms to septicaemia, meningitis and pneumonia.
listeria monocytogenes: on set.
no specific time.
listeria monocytogenes: what can this cause in pregnancy.
miscarriages, premature labour and birth.
campylobacter: foods affected.
meat.
shellfish.
untreated water.
washing raw poultry.
campylobacter: symptoms.
diarrhoea.
headache.
fever.
abdominal pain.
campylobacter: onset.
1-11 days.
campylobacter: is it easy or hard to transmit between humans?
easy.
norovirus: foods affected.
shellfish.
raw vegetables and salad.
norovirus: symptoms.
nausea.
vomiting.
diarrhoea.
abdominal pain.
fever.
norovirus: onset.
1-2 days.
norovirus: what can it also cause and how long can the virus survive if not cleaned up properly?
projectile vomiting.
7 days.
how an you prevent cross contamination?
keep kitchen clean and tidy.
clean and disinfect all areas, equipment and utensils used to prepare food.
keep food cover. handle food as little as possible.
store food correctly and cook food thoroughly.
remove food waste and rubbish.
how long do food poisoning symptoms last for and do the sufferer full recover?
a few days. and the sufferer will make a full recovery.
food poisoning can affect anyone but some people suffer more or worse than others such as?
very young children.
babies.
elderly.
those who have had a serious illness or who are recovering from one.
pregnant women.
nursing mothers.
people who have allergies.
