ServSafe Certification Foodborne Illness Prevention 3 — Questions and Answers
Question 1: Which practice BEST prevents the spread of Norovirus in a foodservice operation?
- Cooking all food to 165°F
- Excluding sick food handlers and enforcing handwashing (Correct answer)
- Using only single-use gloves
- Refrigerating all ready-to-eat food below 41°F
Correct answer: Excluding sick food handlers and enforcing handwashing
Norovirus spreads primarily through infected food handlers; excluding ill employees and rigorous handwashing are the most effective controls.
Question 2: What does the term 'TCS food' stand for in ServSafe?
- Temperature-Controlled Safety
- Time/Temperature Control for Safety (Correct answer)
- Total Contamination Score
- Toxin-Carrying Substance
Correct answer: Time/Temperature Control for Safety
TCS stands for Time/Temperature Control for Safety — foods that require strict temperature management to prevent pathogen growth.
Question 3: Which of the following is NOT considered a TCS food?
- Cooked rice
- Sliced tomatoes
- Dry crackers (Correct answer)
- Cooked beans
Correct answer: Dry crackers
Dry crackers have low water activity and do not support pathogen growth, so they are not TCS foods.
Question 4: A cook prepares a pot of soup and leaves it on the stove at 120°F for three hours. What is the primary concern?
- The soup will lose flavor
- Pathogens may grow to dangerous levels in the temperature danger zone (Correct answer)
- The soup will become too acidic
- Nutrients will be destroyed
Correct answer: Pathogens may grow to dangerous levels in the temperature danger zone
120°F falls within the temperature danger zone (41°F–135°F), allowing rapid bacterial growth over three hours.
Question 5: Which method is NOT an approved way to thaw frozen TCS food safely?
- Under refrigeration at 41°F or below
- Submerged under running water at 70°F or below
- On the counter at room temperature (Correct answer)
- As part of the cooking process
Correct answer: On the counter at room temperature
Thawing food at room temperature allows the outer layers to enter the danger zone while the center is still frozen, promoting bacterial growth.
Question 6: What is the maximum time TCS food can 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 that has been in the temperature danger zone for a cumulative total of more than 4 hours must be discarded.
Question 7: Which foodborne pathogen can produce a heat-resistant spore that survives normal cooking temperatures?
- E. coli O157:H7
- Salmonella spp.
- Clostridium botulinum (Correct answer)
- Listeria monocytogenes
Correct answer: Clostridium botulinum
Clostridium botulinum forms heat-resistant spores that can survive boiling and germinate in anaerobic (low-oxygen) conditions to produce deadly toxin.
ServSafe Certification Foodborne Illness Prevention 3
Which practice BEST prevents the spread of Norovirus in a foodservice operation?