Contamination & Hygiene第 118 / 240 题
Which of these describes a biological hazard?
a.A stone in a bag of dried beans
b.Sanitizer residue left on a plate
c.Salmonella bacteria on raw poultry
d.A staple that fell into a salad
解析
A biological hazard is a living or microbial contaminant such as bacteria, viruses, parasites, or fungi — Salmonella on raw poultry is a classic example. A stone or a staple is a physical hazard, and sanitizer residue is a chemical hazard. Biological hazards cause most foodborne illness and are controlled by temperature, hygiene, and cross-contamination practices.
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