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GI bugs 2 micro Flashcards

Identify the common causes of food poisoning and their epidemiology. Describe the pathogenesis of food poisoning with S. aureus. Compare treatment of listeriosis and food poisoning. Diagnose rotavirus infections. Describe the epidemiology of calcivirus (norovirus) infections.

1
Q

true food bourse toxemias are from what kind of bacteria

A

gram positive

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2
Q

food poisining type that has rapid onset

A

toxemia

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3
Q

gram positive food bourne pathogen that is treated with antibiotics

A

listeria

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4
Q

method of diagnosing food bourne toxemia

A

focus on the food handler, rather than the patient

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5
Q

ways gram positive bugs can survive the upper gi tract

A

forming spores

toxins are heat/acid stable

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6
Q

gram positive food born bug that does NOT form spores

A

Listeria

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7
Q

most common gram positive ingested bacteria that causes severe invasive diease

A

listeria

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8
Q

most common gram + bugs that cause fod bourne disease

A

staph A and clostridium perfringens

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9
Q

gram positive food borne bug that is a STRICT anerobe

A

clostridium

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10
Q

facultaive anerobic rod that causes mild disease

A

bacillus cerus

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11
Q

gm + food borne bugs that form rods

A

bacillus, listeria, closridium

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12
Q

reason staph A is so common as a food borne bug

A

salt tolerance

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13
Q

warm season food illness

A

staph A

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14
Q

rapid onset of vomating AND diarrhea with no fever

A

staph A

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15
Q

starchy foods and fried rice

A

b cerus

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16
Q

n/v and NO diarrhea

A

b cerus (emetic)

17
Q

large quantities of meat that are allowed to cool

A

c perfinigins

18
Q

cold weather bugs

A

c perfingens

19
Q

vegative cells that sporulate when they contact the alkaline intestines

A

c perfingens

20
Q

flagellated motile gram + bug

21
Q

faculative intracelularr pathenogen

22
Q

GI sx + meniginits, encephalitis, late term abortion

23
Q

unpasterizes milk, deli meats and cheese

24
Q

anti-toxin therapy used for

25
Q

home canned foods and infants eating honey

26
Q

reovirus

27
Q

2x stranded RNA with no envelope

28
Q

transmission of rotavirus

A

fecal-oral

29
Q

mild to severe gatseroenterists and watery diarehha

30
Q

peak rotavorus incidence by age

A

6 months to 2 years

31
Q

age at which most kids are immune to rotavirus

32
Q

type of vacciene for rotavirus

A

live, attenuated

33
Q

familiy and communuity outbreak virus

34
Q

small non-envoloped virus

35
Q

route of transfer of norovirus

A

fecal-oral and contanminated water and food

36
Q

abrupt abdominal cramps, n/v, diarreha, myalgia, headache and low grade fever

37
Q

cruise ships, camps, schools, nursing homes

GI (22 decks)

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