Answer :
Final answer:
Sanitization is crucial for items that come into direct contact with food or our bodies to prevent the spread of microbes. Among the options provided, a butcher knife is the item that must be sanitized because it has close contact with food and could cross-contaminate if not cleaned.
Explanation:
Sanitization refers to the act of cleaning materials or surfaces to a degree that would render them safe for public use. Concerning your question about which item must be cleaned and sanitized, the answer is b. butcher knife. This tool, when used, especially in food preparation, can be a source of bacteria and microorganisms from the food it had contact with. If not properly cleaned, these microbes can cause severe health issues.
On the other hand, a dishwasher rack and a stove door require cleaning but not necessarily to the extent of sanitization since they may not come in direct contact with food. The outside of a salt shaker might not need to be sanitized unless handled by someone with a contagious illness.
Therefore, the butcher knife, which has direct contact with food items and can cross-contaminate if not cleaned, should be sanitized. Personnel handling such tools must ensure to clean the knife thoroughly with appropriate detergent and warm water followed by bleach or a strong basic solution.
In a broader perspective of health and safety, it is important to know that any surface or item, if contaminated, can prove to be harmful. The purpose of achieving health safety is to control microbial growth on frequently used items.
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