Culinary Arts Culinary Arts Food Safety & Sanitation 2 — Questions and Answers
Question 1: Which sanitizing concentration of chlorine bleach solution is appropriate for food-contact surfaces?
- 10–25 ppm
- 50–100 ppm (Correct answer)
- 200–300 ppm
- 500 ppm
Correct answer: 50–100 ppm
A chlorine solution of 50–100 ppm effectively sanitizes food-contact surfaces without leaving harmful chemical residue.
Question 2: Personal protective equipment (PPE) required when handling cleaning chemicals in a commercial kitchen includes:
- Only a chef's apron
- Rubber gloves and eye protection (Correct answer)
- Hairnet and chef's coat only
- No PPE is needed for food-safe chemicals
Correct answer: Rubber gloves and eye protection
Chemical-resistant gloves and splash-proof eye protection are required to prevent burns and eye injuries from concentrated sanitizers.
Question 3: Thawing frozen proteins at room temperature on a counter is prohibited because:
- It changes the protein's flavor profile
- The exterior enters the danger zone while the interior remains frozen (Correct answer)
- It requires more energy than refrigerator thawing
- Texture becomes rubbery
Correct answer: The exterior enters the danger zone while the interior remains frozen
Counter thawing allows the outer surface to reach dangerous temperatures promoting bacterial growth long before the center thaws.
Question 4: A HACCP plan identifies Critical Control Points (CCPs) as:
- Points where food quality is evaluated for taste
- Steps in food production where a hazard can be prevented or eliminated (Correct answer)
- Locations where staff wash their hands
- Moments when food cost is calculated
Correct answer: Steps in food production where a hazard can be prevented or eliminated
CCPs are specific process steps — like cooking temperature or cooling speed — where control measures prevent or eliminate food safety hazards.
Question 5: Which method is NOT an approved way to thaw frozen food safely?
- Under cold running water
- In the refrigerator overnight
- In the microwave if cooking immediately
- On the counter at room temperature for several hours (Correct answer)
Correct answer: On the counter at room temperature for several hours
Counter thawing allows surface temperatures to enter the danger zone for extended periods, enabling rapid bacterial multiplication.
Question 6: The correct handwashing procedure requires scrubbing with soap for at least:
- 5 seconds
- 10 seconds
- 20 seconds (Correct answer)
- 60 seconds
Correct answer: 20 seconds
A minimum of 20 seconds of vigorous scrubbing with soap removes transient microorganisms from hands effectively.
Culinary Arts Culinary Arts Food Safety & Sanitation 2
Which sanitizing concentration of chlorine bleach solution is appropriate for food-contact surfaces?