Food Safety Temperature Control & Food Storage 1 — Questions and Answers
Question 1: What is the temperature danger zone for food in the US?
- 0°F to 32°F
- 41°F to 135°F (Correct answer)
- 32°F to 72°F
- 50°F to 140°F
Correct answer: 41°F to 135°F
The USDA defines the temperature danger zone as 41°F to 135°F, where bacteria multiply rapidly.
Question 2: How many total hours can TCS food remain in the temperature danger zone before it must be discarded?
- 2 hours
- 4 hours (Correct answer)
- 6 hours
- 8 hours
Correct answer: 4 hours
TCS food must not accumulate more than 4 cumulative hours in the temperature danger zone before it is considered unsafe.
Question 3: What is the minimum internal cooking temperature for poultry?
- 145°F
- 155°F
- 165°F (Correct answer)
- 175°F
Correct answer: 165°F
All poultry, including chicken and turkey, must reach an internal temperature of 165°F to destroy harmful pathogens.
Question 4: At what maximum temperature must a refrigerator be maintained to keep food safe?
- 32°F
- 38°F
- 41°F (Correct answer)
- 45°F
Correct answer: 41°F
Refrigerators must be maintained at 41°F or below to keep food out of the temperature danger zone.
Question 5: Which of the following is a safe method for thawing frozen food?
- On the counter at room temperature
- In the refrigerator (Correct answer)
- In hot standing water
- In direct sunlight
Correct answer: In the refrigerator
Thawing in the refrigerator keeps food at safe temperatures throughout the entire thawing process.
Question 6: What minimum internal temperature must ground beef reach during cooking?
- 145°F
- 150°F
- 155°F (Correct answer)
- 160°F
Correct answer: 155°F
Ground beef must be cooked to 155°F for 15 seconds to destroy harmful pathogens such as E. coli O157:H7.
What is the temperature danger zone for food in the US?