Ontario Food Handler Certificate Food-Borne Illness Prevention 2

Question 1

How long can symptoms of a food-borne illness take to appear after consuming contaminated food?

Accepted Answer

From 30 minutes to several weeks

Answer

Depending on the pathogen, food-borne illness symptoms can appear from 30 minutes (as with Staphylococcus aureus toxin) to several weeks (as with Listeria or Hepatitis A).

Question 2

Which population group is MOST vulnerable to severe food-borne illness?

Accepted Answer

Elderly individuals

Answer

Elderly individuals have weakened immune systems and are part of the high-risk YOPI group (Young, Old, Pregnant, Immunocompromised), making them more susceptible to severe illness.

Question 3

Which virus is the leading cause of food-borne gastroenteritis in Ontario?

Accepted Answer

Norovirus

Answer

Norovirus is the most common cause of food-borne gastroenteritis outbreaks. It is highly contagious and can spread through contaminated food, surfaces, or person-to-person contact.

Question 4

What is the primary way Clostridium botulinum causes food-borne illness?

Accepted Answer

It produces a potent neurotoxin in low-oxygen environments

Answer

C. botulinum thrives in anaerobic (low-oxygen) conditions such as improperly canned foods and produces a deadly neurotoxin that causes botulism.

Question 5

A food handler reports having diarrhea and vomiting. What should the operator do according to Ontario regulations?

Accepted Answer

Exclude them from working with food until symptom-free for at least 24 hours

Answer

Ontario regulations require that food handlers with symptoms of vomiting or diarrhea be excluded from food handling duties until they have been symptom-free for at least 24 hours to prevent contamination.

Ontario Food Handler Practice Test

Ontario Food Handler Practice Test

Ontario Food Handler Certificate Food-Borne Illness Prevention 2