Certified Professional Food Safety (CP-FS) Practice Exam

Which pathogen is associated with unpasteurized juices?

1. Listeria

2. Salmonella

3. E. coli 0157:H7

4. Clostridium botulinum

The correct answer is: E. coli 0157:H7

The association of E. coli 0157:H7 with unpasteurized juices is well-documented and stems from the bacterium's prevalence in the feces of ruminants, particularly cattle. When fruits and vegetables are improperly handled, or when harvested produce comes into contact with contaminated water or soil, there is a risk of E. coli contamination. Since unpasteurized juices do not go through a heating process that can kill such pathogens, the potential for outbreaks increases significantly when consuming these products. This is particularly crucial because E. coli 0157:H7 can cause severe gastrointestinal illness and can lead to more serious complications, making the risks associated with unpasteurized juices a significant public health concern. In contrast, while pathogens like Listeria, Salmonella, and Clostridium botulinum can also be found in raw or improperly processed foods, they are not as specifically associated with unpasteurized juices as E. coli 0157:H7. Listeria is more commonly found in ready-to-eat deli meats and unpasteurized dairy products, Salmonella is often linked with eggs and poultry, and Clostridium botulinum is associated with improperly canned foods and anaerobic conditions. Understanding these specific associations is vital for effective