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lesson 7 Flashcards

1
Q

Name the three categories of food borne illnesses

A
  • infection
  • intoxication
  • toxin mediated infection
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2
Q

Cause of food borne infection

A
  • consumption of food with large number of microorganisms
  • microorganisms enter digestive tract
  • disrupt functions of intestines
  • cause diarrhea
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3
Q

When do the symptoms of food borne infection occur?

A

6hrs - 48 hrs

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4
Q

Cause of food borne intoxication

A

-consumption of food containing toxins (waste products) generated by some microorganisms

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5
Q

True or false - toxins are destroyed by heat?

A

false

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6
Q

Symptoms of food borne intoxication

A
  • nausea/vomiting

- after first 6 hours

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7
Q

Cause of food borne mediated intoxication

A
  • food that has microorganisms on it is ingested

- produce toxins in intestines (favorable conditions for growth)

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8
Q

Symptoms of salmonellosis

A
  • stomach pain
  • diarrhea
  • chills
  • fever
  • nausea
  • malaise
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9
Q

Source of salmonella enteritidis

A
  • chicken
  • poultry
  • eggs
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10
Q

How would one destroy salmonella enteritidis? (in chicken, poultry, stuffing)

A
  • cook product 165 F

- 15 sec min

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11
Q

How would one destroy salmonella enteritidis (in eggs)?

A

-cook product 145 F

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12
Q

What is cross contamination?

A

transferring micro organism from food that is raw to food that is cooked

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13
Q

Salmonellosis: infection or intoxication?

A

-infection

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14
Q

campylobacteriosis - infection of intoxication?

A

-infection

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15
Q

symptoms of campylobacteriosis

A
  • diarrhea (bloody)
  • severe stomach pain
  • loss of appetite
  • nausea
  • malaise
  • headache
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16
Q

source of campylobacteriosis

A

intestines of:

  • lamb
  • pigs
  • cattle
  • poultry
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17
Q

Salmonellosis onset time

A

6-48 hrs

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18
Q

campylobacteriosis onset time

A

2-10 days

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19
Q

campylobacteriosis foods involved

A
  • raw milk
  • poultry
  • beef
  • liver
  • water
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20
Q

Listeriosis: infection or intoxication

A

infection

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21
Q

onset time for listeriosis

A

1 day -3 wks

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22
Q

symptoms for listeriosis

A
  • meningitis
  • fever
  • still life births
  • flu like illness
  • encephalitis
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23
Q

source of listeria monocytogenes

A
  • soil
  • infected animals/humans
  • water
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24
Q

foods involved in listerosis

A
  • unpasteurized milk
  • raw veg
  • raw meat
  • poultry
  • cheese
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25
What is another name for shigellosis?
-bacillary dysentry
26
Cause of shigellosis
- people not washing hands after loo (transfer of fecal matter) - flies transferring bacteria
27
onset days for shigellosis
1-7 days
28
shigellosis - infection or intoxication?
infection
29
food involved in shigellosis
- raw produce - potato salad - tuna - turkey
30
What is the most common food intoxication?
Staphylococcal food intoxication
31
source of staphylococcal food intoxication
humans - nose - throat - acne - infected cuts/bruises
32
Onset time for staphylococcal food intoxiction
1-6 hrs
33
botulism - infection or intoxication?
intoxication
34
true/false - botulism can result in death
true
35
what are favorable conditions for clostridium botulism?
-anaerobic (vacuum, garlic in oil)
36
foods involved in botulism
- smoked vacuum pack fish - garlic in oil - home canned foods
37
onset time for clostridium botulism
12-36 hrs
38
symptoms of clostridium botulism
- vertigo - blurred/double vision - muscular weakness
39
scombroid poisoning- infection or intoxication?
-intoxication
40
cause of scombroid poisoning
-histamine (produced when fish decomposes)
41
foods involved in scombroid poisoning
- tuna - mackerel - bluefish - mahi mahi - bonito
42
What do white blotches on fish signify?
- freezer burns | - has been thawed and refrozen
43
At what temp must temperature fresh fish be kept?
32-41
44
Escherichia coli - infection or intoxication?
both
45
foods involved in E-coli
- raw foods | - raw or undercooked beef
46
E-coli causes
during slaughter intestinal contents may come in contact with the carcass
47
onset time for ecoli
12-72 hours
48
how to destroy e-coli in beef
cook to 158 F
49
At what temp must food be reheated and within what time frame to avoid ecoli?
- 158 F | - w/in 2 hrs
50
clostridium perfringens enertis - infection or intoxication?
-both
51
clostridium perfringens - foods involved
- meat - gravy - beans - poultry
52
at what temp must hot foods be kept at to control clostridium perfringens?
140 F or above
53
Onset time for clostridium perfringens
8-22 hours
54
Bacillius Cereus - infection or intoxication?
both
55
foods involved in bacilius cereus
- grains - starch - rice - flour - meats - milk
56
onset time for bacilius cereus
30 min - 5 hours
57
2 diff types of virus
- virus hepatitis | - norovirus
58
what does virus hepatitis affect?
liver
59
what are the foods involved in virus hepatitis?
- raw/lightly cooked shellfish - salads - cold cuts
60
What organism is responsible for virus hepatitis
hepatitis A
61
Onset time for virus hepatitis
15 - 50 days
62
Cause of norovirus
poor personal hygiene of workers
63
Where is norovirus virus found?
feces of infected humans
64
Onset time for norovirus
24-48 hrs
65
Foods involved in norovirus
- raw shellfish - raw eggs - raw veg
66
How to cook pork to control Trichinosis
- 150 F | - 5 sec
67
What is trichinella spiralis?
-parasite found in pork
68
What is the onset time for trichinosis
4-28 days
69
What is Anisakiasis caused by?
- Parasite: | - anisakis simplex
70
what is the source of the parasite anisakis simplex?
-marine fish
71
what temp should seafood be cooked to in order to control anisakis simplex?
145 F
72
what temp should fish be frozen to to make it safe for sushi use?
- -31 F | - for 15 hrs
73
what is cyclosporiasis caused by?
- parasite | - cyclospora cayetanensis

food test (14 decks)

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