Which term describes the physical transfer of harmful bacteria from one surface to another?

Which term describes the physical transfer of harmful bacteria from one surface to another?

• A. Sanitation
• B. Pasteurization
• C. Contamination control
• D. Cross-contamination

Answer: (D)

Cross-contamination is the physical transfer of harmful bacteria from one surface to another. It happens when a contaminated surface, utensil, or hand comes into contact with a clean surface or food, moving bacteria along. This is the specific mechanism that leads to contamination, which is why preventing transfer is a central focus of food safety. Sanitation cleans surfaces to reduce bacteria, pasteurization uses heat to kill bacteria, and contamination control covers broader prevention strategies, but cross-contamination describes the actual transfer event between surfaces. For example, using the same cutting board for raw chicken and then for produce without cleaning allows bacteria to move from the raw meat to the produce. Preventing it involves using separate utensils and boards for raw and ready-to-eat foods, washing hands thoroughly, and sanitizing surfaces after handling raw foods.

Cross-contamination is the physical transfer of harmful bacteria from one surface to another. It happens when a contaminated surface, utensil, or hand comes into contact with a clean surface or food, moving bacteria along. This is the specific mechanism that leads to contamination, which is why preventing transfer is a central focus of food safety. Sanitation cleans surfaces to reduce bacteria, pasteurization uses heat to kill bacteria, and contamination control covers broader prevention strategies, but cross-contamination describes the actual transfer event between surfaces. For example, using the same cutting board for raw chicken and then for produce without cleaning allows bacteria to move from the raw meat to the produce. Preventing it involves using separate utensils and boards for raw and ready-to-eat foods, washing hands thoroughly, and sanitizing surfaces after handling raw foods.