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

The mixing of two different types of cuisines in one meal

Answer

Cooking different foods at the same temperature

Answer

Using the same seasoning on multiple dishes

Question 2

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

Accepted Answer

Yellow

Answer

Red

Answer

Green

Answer

Blue

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

Wipe the knife with a damp cloth between uses

Answer

Rinse the knife under hot water between uses

Answer

Use the knife on raw foods last to reduce risk

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

Direct physical touching of two different foods

Answer

The chemical reaction between two incompatible ingredients

Answer

Mixing allergen-free foods with regular foods on purpose

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

Proper food handling technique

Answer

Time-temperature abuse

Answer

Physical food contamination

Question 6

How should raw fish, raw beef, and ready-to-eat salad be stored on different shelves in a walk-in cooler?

Accepted Answer

Salad on top, raw fish in the middle, raw beef on the bottom

Answer

Raw beef on top, raw fish in the middle, salad on the bottom

Answer

Raw fish on top, salad in the middle, raw beef on the bottom

Answer

All stored on the same shelf with dividers