Food Safety Foodborne Illness & Pathogens 1 — Questions and Answers
Question 1: Which pathogen is most commonly associated with undercooked poultry and eggs?
- Listeria monocytogenes
- Salmonella (Correct answer)
- Clostridium botulinum
- Staphylococcus aureus
Correct answer: Salmonella
Salmonella is a common pathogen found in raw poultry and eggs that causes foodborne illness when food is undercooked or improperly handled.
Question 2: What is the incubation period of a foodborne illness?
- The time it takes to cook food to a safe temperature
- The time between consuming contaminated food and the onset of symptoms (Correct answer)
- The shelf life of a perishable food item
- The time food can safely remain in the temperature danger zone
Correct answer: The time between consuming contaminated food and the onset of symptoms
The incubation period is the time between ingesting contaminated food and when symptoms of illness first appear.
Question 3: Which foodborne pathogen is associated with ready-to-eat deli meats and soft cheeses?
- E. coli O157:H7
- Salmonella Typhi
- Listeria monocytogenes (Correct answer)
- Vibrio vulnificus
Correct answer: Listeria monocytogenes
Listeria monocytogenes can grow at refrigeration temperatures and is commonly linked to ready-to-eat deli meats and soft cheeses.
Question 4: What are the most common symptoms of bacterial foodborne illness?
- Fever, rash, and joint pain
- Nausea, vomiting, diarrhea, and stomach cramps (Correct answer)
- Headache, blurred vision, and difficulty swallowing
- Coughing, sneezing, and runny nose
Correct answer: Nausea, vomiting, diarrhea, and stomach cramps
The hallmark symptoms of most bacterial foodborne illnesses are nausea, vomiting, diarrhea, and abdominal cramps.
Question 5: Which pathogen produces a heat-resistant toxin that causes illness even after the food is cooked?
- Salmonella
- Campylobacter
- Staphylococcus aureus (Correct answer)
- Listeria monocytogenes
Correct answer: Staphylococcus aureus
Staphylococcus aureus produces toxins in food that cannot be destroyed by cooking, making proper cold storage before cooking critical.
Question 6: Hepatitis A is classified as which type of pathogen?
- Bacterium
- Fungus
- Virus (Correct answer)
- Parasite
Correct answer: Virus
Hepatitis A is a virus transmitted through contaminated food, particularly by infected food handlers with poor hand hygiene.
Food Safety Foodborne Illness & Pathogens 1
Which pathogen is most commonly associated with undercooked poultry and eggs?