Food Safety, Hygiene, and Sanitation
What you must understand
Know the causes of foodborne illness and the danger zone (roughly 5–63°C / 41–145°F) where bacteria multiply fastest. Understand personal hygiene: handwashing before work and after toilet, coughing, or handling waste; clean uniform; tied-back hair; no jewellery on hands; covering cuts. Know safe food handling: separate raw and cooked food, use colour-coded boards, keep chilled food chilled, and check temperatures. Understand cleaning versus sanitising, and the difference between detergent and disinfectant. Know the rules on reporting illness and on returning to work after gastrointestinal symptoms.
Traps in questions
Questions often test handwashing timing: after the toilet, after handling raw meat, after touching your face, and before handling ready-to-eat food. Another trap is drying hands on a tea towel or apron. Watch for options that cool food slowly at room temperature, refreeze thawed food, or store raw meat above cooked food in the fridge. Also beware of "it looks clean, so it's safe" - sanitising is about invisible contamination.
Worked example
You sneeze into your hands while plating a salad. Strong response: stop, remove the plate, wash your hands thoroughly with soap and water, and start again with fresh food. Do not simply wipe your hands on your apron.
Rule of thumb
Wash hands, keep hot food hot and cold food cold, and never handle ready-to-eat food with bare hands.