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10 Cards in this Set
- Front
- Back
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Steps of Water Treatment |
1. Coagulation• removes suspended material 2. Sedimentation• causes heavy particles to settle to bottom of tanks for collection 3. Filtration• removes smaller particles 4. Disinfection• Kills/reduces bacteria or microorganisms |
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the Big 5 illness as they relate to food service employees |
Norovirus, e. coli, shigella, hepatitis A, salmonella symptoms: Vomiting, diarrhea, nausea, jaundice, boils, lesions |
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Cryptosporidium |
Cryptosporidium is a microscopic parasite that causes the diarrheal disease cryptosporidiosis. Symptoms of cryptosporidiosis generally begin 2 to 10 days (average 7 days) after becoming infected with the parasite. |
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Hepatitis A |
•15-50 day onset •Killed by cooking •Sources: Ready-to-eat foods (not further cooked), Foods prepared by infected food handler, Contaminated water, Eating raw shellfish from polluted water •Targets the liver – may cause liver failure (rare) •Signs: Fever, Tiredness, Loss of appetite, Nausea, vomiting, or stomach ache, Dark urine, Jaundice •Symptoms usually last less than 2 months, although 10% to 15% of persons have prolonged or relapsing disease that can last up to 6 months. •Vaccine available |
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Potentially Hazardous foods |
Meats Dairy (eggs unless pasteurized) Mushrooms Cooked veggies Rice Potatoes Cooked melons Sprouts |
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Cooking temperatures |
Cooking Temperatures (15 seconds internal) •165*F/ 74 *C – reheats/poultry •155*F/ 69 *C – ground meats •145*F / 63*C– eggs, beef, pork •Holding Temperatures •Keep hot foods hot, cold foods cold •135*F/58 *C or above •41*F/5*C or below |
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Temperature danger zone |
between 135*F -41*F (58*C – 5*C) |
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Why investigations are hard to regulate |
•People rarely see a doctor •Lab testing to confirm illness not performed •Outbreaks need to be investigated by local and state officials to be ID’d as outbreak and then reported to CDC |
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why we are more concerned about spore forming bacteria and bacteria toxins than general bacteria |
Heat resistant |
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Federal agencies that regulate food |
•CDC: •FoodNet•Active•Multi-state (15% US Pop) •Linkages/estimates •PulseNet•DNA fingerprinting •Unrecognized outbreak |
