What range defines the danger zone for time-temperature control?

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Multiple Choice

What range defines the danger zone for time-temperature control?

Explanation:
The key idea is understanding where bacteria can multiply quickly in food. The range 41°F to 135°F (5°C to 57°C) is considered the danger zone for time-temperature control because microbes grow rapidly within it. If food stays colder than 41°F, growth slows dramatically or stops; if it’s heated above 135°F, many bacteria stop multiplying and can be killed with sustained heat. So foods should be kept out of this range or only in it for a short time to minimize risk. The other ranges don’t define where growth is most dangerous. 32–40°F is still in the refrigerated zone where growth is slowed, and 0–32°F is freezing, which largely stops growth. 135–165°F includes temperatures above the danger zone where cooking can kill pathogens, so it isn’t the zone where growth is a concern.

The key idea is understanding where bacteria can multiply quickly in food. The range 41°F to 135°F (5°C to 57°C) is considered the danger zone for time-temperature control because microbes grow rapidly within it. If food stays colder than 41°F, growth slows dramatically or stops; if it’s heated above 135°F, many bacteria stop multiplying and can be killed with sustained heat. So foods should be kept out of this range or only in it for a short time to minimize risk.

The other ranges don’t define where growth is most dangerous. 32–40°F is still in the refrigerated zone where growth is slowed, and 0–32°F is freezing, which largely stops growth. 135–165°F includes temperatures above the danger zone where cooking can kill pathogens, so it isn’t the zone where growth is a concern.

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