Microbial, Parasitic agents Flashcards
(41 cards)
Who is responsible for regular contact with the regulatory agencies?
CDC
Who is responsible for red meat, poultry and egg products
USDA-FSIS
who is responsible for milk seafood and shell eggs?
FDA
What are the 5 most commonly identified pathogens?
Salmonella
Ecoli
Campylobacter
Listeria monocytogenes
Toxoplasma
What are the common microbial foodborne pathogens
C. botulinum
S. aureus
C perfringes
Ecoli
Vibrio
Salmonella
Campy
Listeria
What are the bacteria causing disease due to production of a preformed toxin thats acute?
C botulinum
S aureus
What are preformed toxins and what do you want to avoid?
Toxins present in food before food is ingested
food is then inadequately cooked or reheated
avoid a/b
What is the most deadly food borne illness?
What is the incubation period
What is it associated with?
botulism
acute- 12 to 36 hrs after ingestion
canned vegetables and raw meats of sea animals in Canada and Alaksa
Where is the most likely source for a staph infection?
Food workers who carry the bacteria and improperly handle food
What bacteria produces an enterotoxin and is unique bc it is often caused by meat and poultry dishes that have been cooked and allowed to cool slowly
C perfringens
What is the toxin that E coli produces and who does it infection and what are the c/s
verocytotoxins
young and elderly
hemorrhagic colitis, hemolytic uremic syndrome-renal failure
what are the three spp of vibrio which are important in food borne illnesses
cholera
parahemolyticus
vulnificus
which vibrio is associated with outbreaks among ppl after drinking contaminated water and foods due to inadequate sewage disposal and poor sanitation
cholera
which virbrio has mild cholera like symptoms
and which one causes septicemia in humans almost always associated with eating raw oysters
parahemolyticus
vulnificus
Which salmonella is in cows milk
dublin
what parts of the broiler chicken have salmonella on them and which part of processing process allows the spread of the bacteria
stem feathers and feces
chill water
which serotype of salmonella is most commonly associated with shell eggs. which part of the egg does it infect?
Enterica serovar
ovary-penetrate the egg shell
which salmonella is the most common cause of salmonella food borne illness? how do you get it
S enteritidis
which salmonella is the most common serotype in humans
typhimurium
What is a bacteria that has a low infective dose that is also a common inhabitant of many spp which means any time food is improperly handled it can cause illness
campylobacter
Which bacteria can cause a range of symptoms in humans from enteritis to extra-intestinal complications such as meningitis, UTI, and reactive arthritis
campy
Which bact is a precursor to guillain-barre syndrome?
campy
What are some other sources of campy?
raw or inadequately cooked foods
non-cholorinated water
unpasteurized milk
Where will you find listeria?
Cheeses
Pork