What is the most important reason for washing and sanitizing a cutting board in a microbiology laboratory or food preparation setting?

• A. To keep the cutting board looking clean and new
• B. To prevent the transfer of harmful microorganisms that can cause foodborne illness
• C. To remove stains and odors from the cutting board
• D. To prevent the cutting board from becoming dull

Answer: (B)

Verified step by step guidance

1. Understand the primary goal of washing and sanitizing in microbiology and food safety contexts, which is to reduce or eliminate harmful microorganisms.
2. Recognize that cutting boards can harbor bacteria and other pathogens that may transfer from one food item to another, leading to cross-contamination.
3. Identify that preventing cross-contamination is crucial to avoid foodborne illnesses caused by harmful microorganisms such as Salmonella, E. coli, and Listeria.
4. Note that while cleaning may improve appearance or remove odors, these are secondary concerns compared to the health risk posed by microbial contamination.
5. Conclude that the most important reason for washing and sanitizing a cutting board is to prevent the transfer of harmful microorganisms that can cause foodborne illness.