Food Manager Practice Exam

What is the best way to prevent the spread of listeria inside the refrigerator?

1. Store at high temperatures

2. Keep all foods covered

3. Do not separate raw and cooked foods

4. Wash fruits and vegetables before placing them in the fridge

The correct answer is: Keep all foods covered

Keeping all foods covered is crucial in preventing the spread of listeria in the refrigerator. Listeria monocytogenes, the bacterium responsible for listeriosis, can be found in the environment and can contaminate various foods. When foods are stored uncovered, there is a higher risk of cross-contamination from airborne pathogens or raw foods, which may harbor harmful bacteria. By covering foods, you create a barrier that helps minimize contact with potential contaminants, keeping the food safe for consumption. The other choices do not effectively prevent the spread of listeria. Storing food at high temperatures encourages bacterial growth, which is contrary to food safety practices. Failing to separate raw and cooked foods can easily lead to cross-contamination, increasing the risk of spreading foodborne pathogens. Washing fruits and vegetables is important for removing surface contaminants, but if they are not adequately dried and covered in the refrigerator, they may still contribute to the spread of bacteria. Thus, keeping foods covered is the most effective preventive measure in this context.