TFHC Cross-Contamination Prevention

Question 1

What is cross-contamination in a food service setting?

Accepted Answer

The transfer of harmful microorganisms from one food or surface to another

Answer

Cross-contamination occurs when pathogens move from a contaminated source (raw meat, unclean hands, dirty surfaces) to a safe food.

Question 2

Which color cutting board is typically designated for raw poultry in a color-coded system?

Accepted Answer

Yellow

Answer

In the standard color-coded cutting board system, yellow boards are used for raw poultry to prevent cross-contamination.

Question 3

What is the safest way to prevent cross-contamination when using the same knife for different foods?

Accepted Answer

Wash, rinse, and sanitize the knife between uses on different foods

Answer

The only safe method is the full wash-rinse-sanitize process, which physically removes and kills pathogens between uses.

Question 4

What is cross-contact in the context of food allergies?

Accepted Answer

The transfer of an allergen from one food to another through shared surfaces, utensils, or cooking oil

Answer

Cross-contact with allergens occurs when even trace amounts of an allergen transfer to an allergen-free food through utensils, surfaces, or frying oil.

Question 5

A food worker handles raw shrimp and then touches the handle of a refrigerator door without washing their hands. This is an example of what?

Accepted Answer

Cross-contamination via a contaminated surface (fomite)

Answer

Touching a surface with contaminated hands transfers pathogens to that surface (fomite), which can then spread to the next person who touches it.

TFHC - Texas Food Handlers Certification Practice Test

TFHC - Texas Food Handlers Certification Practice Test

TFHC Cross-Contamination Prevention