TFM Foodborne Illness and Pathogens

Question 1

Which of the following is the leading cause of foodborne illness outbreaks in the United States?

Accepted Answer

Norovirus

Answer

Norovirus is the most common cause of foodborne illness outbreaks in the US, often spread by infected food handlers through fecal-oral contamination.

Question 2

What food is most commonly associated with Salmonella contamination?

Accepted Answer

Undercooked poultry and eggs

Answer

Undercooked poultry and eggs are the most common sources of Salmonella, which naturally colonizes the intestinal tracts of poultry.

Question 3

Listeria monocytogenes is particularly dangerous because it can:

Accepted Answer

Survive and grow at refrigerator temperatures (34–40°F)

Answer

Listeria can grow at refrigerator temperatures as low as 34°F, making it uniquely dangerous among foodborne pathogens that are not stopped by cold storage.

Question 4

Which pathogen is most associated with raw or undercooked seafood, particularly oysters?

Accepted Answer

Vibrio vulnificus

Answer

Vibrio vulnificus naturally inhabits warm coastal waters and concentrates in filter-feeding shellfish like oysters, causing severe illness in immunocompromised individuals.

Question 5

What is a 'highly susceptible population' (HSP) in food safety terms?

Accepted Answer

Individuals who are more likely to experience severe illness from foodborne pathogens, such as the elderly, pregnant women, and immunocompromised individuals

Answer

Highly susceptible populations include the elderly, pregnant women, young children, and immunocompromised individuals who face greater risk of severe complications from foodborne illness.

TFM - Texas Food Manager Practice Test

TFM - Texas Food Manager Practice Test

TFM Foodborne Illness and Pathogens