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RUSVM Epidemiology > Seafood And Egg Products > Flashcards

Seafood And Egg Products Flashcards

1
Q

Who makes the regulations for seafood?

A

FDA

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2
Q

T/F: if there is an outbreak associated with fish from certain waters, Public Health Service can close down those waters

A

True

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3
Q

What bacteria is in raw/improperly cooked seafood/oysters and can cause diarrhea, cramps, vomiting and fever

A

Vibrio vulnificus and parahemolyticus

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4
Q

Where is vibrio vulnificus + parahemolyticus found?

A

Halophilic (salt) - warm sea water

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5
Q

Tapeworm with fish IH, that causes minor bloating, and anemia when it infects human hosts

A

Diphyllobothrum spp

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6
Q

What nematode causes tingling in throat, abdominal pain, diarrhea, and vomiting when infecting humans? IH is crustaceans, fish, and squid

A

Anikakis spp

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7
Q

What are the three fish toxins.

A

Scrombrotoxin: Histamine fish poisoning
Tetrotoxin: Pufferfish poisoning
Ciguatera poisoning

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8
Q

What toxin is due to spoilage and poor storage, where bacterialwil convert histidine to histamine?

A

Scromrotoxin AKA histamine fish poisoning

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9
Q

Clinical signs of scrombrotoxin?

A 
Sudden onset (mins to hours) 
Burning 
Swelling of mouth 
Nausea 
Vomiting 
Diarrhea 
Headache 
Rash
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10
Q

What toxin is present in pufferfish in lethal amounts in liver, ovaries, and skin?

A

Tetrotoxin

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11
Q

Clinical signs of tetrotoxin?

A

Vasopressor and neurotoxin causing paralysis

Asphyxiation

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12
Q

How can pufferfish poisoning be prevented?

A

Aquaculture pufferfish is poison free

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13
Q

What toxin affects humans and cats, biocaccumulates for dinoflagellates in tropical fish, and will cause nausea, vomiting,and diarrhea?

A

Ciguatera poisoning

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14
Q

What are the three shellfish toxins?

A

Paralytic shellfish poisoning
Neurotoxic shellfish poisoning
Amnesic shellfish poisoning

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15
Q

What two shellfish toxins are produced by dinoflagellates?

A

Paralytic shellfish poisoning

Neurotoxic shellfish poisoning

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16
Q

What shellfish toxin causing ataxia, dizziness, incoherence, rash, and fever?

A

Paralytic shellfish poisoning

17
Q

What shellfish toxin causes numbness, tingling in mouth/arms/legs, incoordination, and GI upset?

A

Neurotoxic shellfish poisoning

18
Q

What type of poisoning is due to Dominic acid produced by a diatom?

A

Amnesic shellfish poisoning

19
Q

Toxin causes GI symptoms, headache, disorientation, permanent short term memory loss, and dementia

A

Amnesic shellfish poisoning

20
Q

What chemical contaminant of fish is concentrated up the marine food chain and causes neurological signs like ataxia, blindness, and deafness?

A

Methylmercury

21
Q

What are the steps in egg processing?

A

Collection
Washing
Sort
Store and transport

22
Q

T/F: if done incorrectly, washing eggs will introduced bacteria into eggs through removal of cuticle

A

True

23
Q

What are the physical antimicrobial defenses of the egg?

A

Eggshell, cuticle, shell membranes

24
Q

T/F: IgA and IgM in the yolk protect the egg from bacteria

A

FALSE

IgA and IgM in Albumin
IgG in yolk

25
Q

What regulations requires the inspection of eggs and pasteurization of egg products?

A

Egg product inspection act

26
Q

Who regulates the safety of shell eggs?

A

FDA.

27
Q

Who regulates egg products and imported shell eggs?

A

USDA

28
Q

What are the exceptions form FDA and USDA regulation of eggs?

A

Eggs from small farms

Farmer direct to consumer

29
Q

An egg is deemed inedible/condemned if it is….

A 
Rotten/sour
Egg with green whites (pseudomonas) 
Eggs with stuck yolk (stored too long) 
Moldy/musty eggs
Blood rings/embryonic eggs 
Broken/frozen/overheated eggs
30
Q

An egg is considered adulterated if it is..

A 
Containing any unsafe pesticide, food addictive, or dye 
Prepared under unsanitary conditions 
Incubated 
Damaged 
Modified
31
Q

Who sets the standards for egg Quality?

A

USDA

32
Q

What is the cause of the majority of egg related disease outbreaks?

A

Salmonella enterica enterica Enteritidis

33
Q

Where does salmonella stay in healthy appearing hens?

A

Ovaries

34
Q

Transmission of salmonella enterica?

A

Contamination of egg shells

35
Q

How can infection with salmonella enterica be prevented?

A

Pasteurization and cookin of eggs

Eliminate carrier hens

36
Q

What is the salmonella enterica rule for USA layer hens?

A

Farms that sell table eggs must have a control program for SE

  1. Bio security
  2. Clean and disinfect after +SE test
  3. Procure and raise SE free hens
  4. Environmental testing on regular basis
  5. If a enviro test is positive -> test eggs

RUSVM Epidemiology (14 decks)

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