Microbial, Parasitic agents Flashcards

(41 cards)

1
Q

Who is responsible for regular contact with the regulatory agencies?

A

CDC

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Who is responsible for red meat, poultry and egg products

A

USDA-FSIS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

who is responsible for milk seafood and shell eggs?

A

FDA

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What are the 5 most commonly identified pathogens?

A

Salmonella

Ecoli

Campylobacter

Listeria monocytogenes

Toxoplasma

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What are the common microbial foodborne pathogens

A

C. botulinum

S. aureus

C perfringes

Ecoli
Vibrio

Salmonella

Campy

Listeria

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What are the bacteria causing disease due to production of a preformed toxin thats acute?

A

C botulinum

S aureus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What are preformed toxins and what do you want to avoid?

A

Toxins present in food before food is ingested

food is then inadequately cooked or reheated

avoid a/b

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is the most deadly food borne illness?

What is the incubation period

What is it associated with?

A

botulism

acute- 12 to 36 hrs after ingestion

canned vegetables and raw meats of sea animals in Canada and Alaksa

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Where is the most likely source for a staph infection?

A

Food workers who carry the bacteria and improperly handle food

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

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

A

C perfringens

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is the toxin that E coli produces and who does it infection and what are the c/s

A

verocytotoxins

young and elderly

hemorrhagic colitis, hemolytic uremic syndrome-renal failure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

what are the three spp of vibrio which are important in food borne illnesses

A

cholera

parahemolyticus

vulnificus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

which vibrio is associated with outbreaks among ppl after drinking contaminated water and foods due to inadequate sewage disposal and poor sanitation

A

cholera

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

which virbrio has mild cholera like symptoms

and which one causes septicemia in humans almost always associated with eating raw oysters

A

parahemolyticus

vulnificus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Which salmonella is in cows milk

A

dublin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

what parts of the broiler chicken have salmonella on them and which part of processing process allows the spread of the bacteria

A

stem feathers and feces

chill water

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

which serotype of salmonella is most commonly associated with shell eggs. which part of the egg does it infect?

A

Enterica serovar

ovary-penetrate the egg shell

18
Q

which salmonella is the most common cause of salmonella food borne illness? how do you get it

A

S enteritidis

19
Q

which salmonella is the most common serotype in humans

20
Q

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

A

campylobacter

21
Q

Which bacteria can cause a range of symptoms in humans from enteritis to extra-intestinal complications such as meningitis, UTI, and reactive arthritis

22
Q

Which bact is a precursor to guillain-barre syndrome?

23
Q

What are some other sources of campy?

A

raw or inadequately cooked foods

non-cholorinated water

unpasteurized milk

24
Q

Where will you find listeria?

25
Who are particularly susceptible to listeria monocytogenes? what could the c/s be
newborns, pregnant women, immunosuppressed servere +/- meningitis and abortions
26
which bacteria grows and multiplies under refrigeration
Listeria monocytogenes
27
What bacteria are you worried about in raw milk?
L moncytogenes
28
what are the CDC specfic recommendations for listeria?
follow the "sell by"/use-by dates
29
Where will you see aeromonas hydrophilia infections?
seafood
30
What is your tapeworm of beef?
Taenia saginata
31
Tapeworm of pork?
taenia solium
32
Tapeworm of fish?
Diphyllobothrium latum
33
what parasite is in bear meat and are not killed when the carcass is frozen bc the meat contains an anti-freeze like protein that protects the bear from getting frostbite when they hibernate how do you kill this parasite?
Trichinellosis can't freeze it...so cook it
34
swine that are fed uncooked garbage are improtant hosts for which parasite?
Trichinella spiralis
35
Does the US test for trichinella?
no carcass inspection unless the pork is exported to the EU-and it will be tested the same way the EU does it-microscopically
36
What is the temperature set by USDA to cook pork to get rid of trichina larva?
137F
37
Are carcasses of cattle or hogs that are mildly/moderately infected with cysticerci of t. saginata or t. solium passed?
Yes!!! but they are restricted products if there is extensive involvement then they are condemned
38
What temperature does the FDA recommend that raw fish to be cooked at?
145F
39
Consuming raw salmon may have what parasite?
anisakis/codworm
40
What is the most common zoonitic parasite of swine in the US?
Toxoplasma
41
How can you prevent getting toxo?
wash hands after handling meat and it should be cooked to 151F don't feed cats undercooked meat bc of this too