What is a potential problem with storing raw ground beef above head lettuce?

The potential problem with storing raw ground beef above head lettuce is cross-contamination. Cross-contamination occurs when harmful bacteria or pathogens from one food item are transferred to another food item, leading to the spread of foodborne illnesses. Raw ground beef can contain bacteria such as E. coli or Salmonella, which can cause food poisoning if consumed. Head lettuce, on the other hand, is a ready-to-eat food that is typically consumed without cooking.

Storing raw ground beef above head lettuce can lead to the drippings or juices from the beef contaminating the lettuce. If the beef is not properly packaged or leaks, these juices can drip onto the lettuce, transferring any bacteria present in the beef onto the lettuce leaves. This can happen even if the lettuce is in a separate container or wrapped in plastic, as the juices can still seep through.

To prevent cross-contamination, it is important to store raw meats, including ground beef, separately from ready-to-eat foods like lettuce. The general rule is to store raw meats on the lower shelves of the refrigerator, below other foods. This helps to prevent any drippings from contaminating other foods. Additionally, it is important to properly package raw meats to prevent leaks and to clean and sanitize any surfaces or utensils that come into contact with raw meats.

In conclusion, the potential problem with storing raw ground beef above head lettuce is cross-contamination, which can lead to the transfer of harmful bacteria from the beef to the lettuce. Therefore, the correct answer is C.