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Food Handler · Crisis Management and Recalls

Which foodborne illness pathogen is most commonly associated with improperly cooled foods that were previously cooked?

Reviewed by Jordan Morley, Editorial Lead at 247SimpleTests. Written by the 247SimpleTests Editorial Team from the official source material cited on every question.

Correct answer

Clostridium perfringens — a spore-forming bacteria that survives cooking; when cooked food cools slowly through the temperature danger zone, C. perfringens can germinate and multiply rapidly to dangerous levels

  1. A Clostridium perfringens — a spore-forming bacteria that survives cooking; when cooked food cools slowly through the temperature danger zone, C. perfringens can germinate and multiply rapidly to dangerous levels
  2. B Norovirus
  3. C E. coli O157:H7
  4. D Listeria

Why this is the answer

Clostridium perfringens:

Characteristics: Spore-forming bacterium; the spores survive normal cooking temperatures; when cooked food (especially stews, gravies, casseroles, large roasts) is cooled slowly, spores germinate and C. perfringens multiplies extremely rapidly in the 130°F-80°F range.

Symptoms: Intense abdominal cramps and watery diarrhea 6-24 hours after eating; usually self-limiting (24-48 hours).

Common scenarios: Large quantities of cooked food left to cool at room temperature; cafeteria steam table food held below 135°F; catered events where food is prepared in advance.

Prevention: Cool food rapidly using proper two-stage cooling: 135°F to 70°F within 2 hours; 70°F to 41°F within the next 4 hours; use ice baths, shallow pans, and ice paddles; never cool large pots of food in the refrigerator undivided.

Source: FDA Food Code, Clostridium perfringens

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About this topic: Crisis Management and Recalls

Crisis management covers power failures, water outages, sewage backups, fires and product recalls — when operations must stop, how to protect or discard food, and how to handle a recalled product on the premises. This is one of 8 Food Manager questions on crisis management and recalls, each with a full explanation on a single study page.

New to this exam? Our Food Handler exam guide explains the format, scoring, and how to prepare.

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