Food Protection Flashcards
(107 cards)
What type of bacteria is E. coli?
Gram negative rod
Shiga toxin-producing Escherichia coli (STEC) (O157:H7) is commonly found where?
ruminant and infected human feces, unpasteurized milk and environment
Shiga toxin-producing Escherichia coli (STEC) (O157:H7) symptoms include what symptoms and what is the incubation period?
Diarrhea , stomach cramps and vomitting
Average of 3-4 days (can be 1-10 days)
What is hemolytic uremic syndrome (HUS) and which bacterial infection is it associated with?
decreased frequency of urination, feeling very tired, and losing pink color in cheeks and inside the lower eyelids. Persons with HUS should be hospitalized because their kidneys may stop working and they may develop other serious problems. Most persons with HUS recover within a few weeks, but some suffer permanent damage or die
Shiga toxin-producing Escherichia coli (STEC) (O157:H7)
What was the 2021 Shiga toxin-producing Escherichia coli (STEC) (O157:H7) outbreak linked to?
Spinach
Listeria monocytogenes is what type of bacteria?
Gram positive rod
Listeria monocytogenes is commonly found where?
poultry products, vegetables, etc. it occurs during contact with contaminated animal products or materials on the soil or other fomites
Listeria monocytogenes symptoms include what symptoms and what is the incubation period?
gastrointestinal conditions to invasive forms such as enteritis, septicemia, nervous conditions, abortion, and death. In healthy individuals, it can be limited to gastroenteritis
Average of 9-48 hours
What type of bacteria is Clostridium botulinum?
anaerobic, Gram-positive, spore-forming rod
Clostridium botulinum is commonly found in what?
foods that are incorrectly or minimally processed, honey
Clostridium botulinum symptoms include what symptoms and what is the incubation period?
Early signs: double vision, drooping eyelids, slurred speech, difficulty swallowing, dry mouth and muscle weakness. If not treated, flaccid paralysis of muscles, which may progress to arms, legs, trunk and respiratory tract. Infants: constipation then flat facial expression, poor feeding (weak sucking), weak cry, decreased movement, trouble swallowing, excessive drooling, muscle weakness and breathing problems.
Average of 18-36h
Vibrio vulnificus is what type of bacteria?
Gram-negative, curve-shaped bacterium
Vibrio vulnificus is commonly found where?
estuarine environments and is associated with various marine species, such as plankton, shellfish, crustaceans, and finfish
Vibrio vulnificus symptoms include what symptoms and what is the incubation period?
GI Illness - Raw or undercooked shellfish, particularly oysters. Present in higher concentrations between May and October when waters are warmer; 80% of infections occur in this timeframe.
average 24h (12h-21d)
Skin infection - Can get it by swimming in salt water or brackish water with an exposed open wound
average 4h (mean time to septicemia is 4 days)
Campylobacter jejuni is what type of bacteria?
non-sporeforming, Gram-negative rod with a curved- to S-shaped morphology, microaerophillic
Campylobacter jejuni is commonly found where?
Improperly cooked poultry, unpasteurized milk and cheese, contaminated water
Campylobacter jejuni symptoms include what symptoms and what is the incubation period?
Fever, diarrhea, abdominal cramps, and vomiting are the major symptoms
Rarely neonatal sepsis or miscarriage
Average is 2-5 days
What disease is an uncommon compication of Campylobacter jejuni infection?
Approximately 1/2000 cases will develop auto-immune disease Guillian-Barre syndrome
Where does Campylobacter jejuni rank in terms of frequency for diarrheal illness in the US?
3 overall
#1 bacterial cause
Salmonella enterica is what type of bacteria?
motile, non-sporeforming, Gram-negative, rod-shaped bacterium
Salmonella enterica is commonly found where?
meat, poultry, dairy and EGGS
can be spread to any food source through raw egg use, contamination in the kitchen, contamination of water (produce concern)
lizards, turtles, frogs (cross contamination from pets)
culinary frog legs
Salmonella enterica symptoms include what symptoms and what is the incubation period?
non-typhoidal salmonellosis
Nausea, vomiting, abdominal cramps, diarrhea, fever, headache
6-72h
Staphylococcus aureus is what type of bacteria?
Gram-positive, nonmotile, catalase-positive, small, spherical bacteria (cocci), which, on microscopic examination, appear in pairs, short chains, or bunched in grape-like clusters
Staphylococcus aureus is commonly found where?
meat and meat products; poultry and egg products; salads, such as egg, tuna, chicken, potato, and macaroni; bakery products, such as cream‐filled pastries, cream pies, and chocolate éclairs; sandwich fillings; and milk and dairy products
products that are not cooked after handling