Ontario Food Handler Certificate Food-Borne Illness Prevention 6

Question 1

Which of the following conditions does Clostridium perfringens need to multiply rapidly in food?

Accepted Answer

Warm temperatures and low oxygen

Answer

C. perfringens is an anaerobic bacterium that thrives in warm, low-oxygen environments. It multiplies rapidly in large quantities of food that cool slowly, such as stews and gravies.

Question 2

What role do spores play in food-borne illness caused by Bacillus cereus and Clostridium perfringens?

Accepted Answer

Spores can survive cooking and germinate when food is improperly cooled

Answer

Bacterial spores are heat-resistant structures that can survive cooking. When improperly cooled food enters the danger zone, spores germinate and bacteria multiply rapidly.

Question 3

A customer reports becoming ill 1-6 hours after eating at your establishment, with vomiting as the primary symptom. Which pathogen is most likely responsible?

Accepted Answer

Staphylococcus aureus

Answer

S. aureus intoxication has a rapid onset of 1-6 hours with vomiting as the predominant symptom, caused by preformed heat-stable enterotoxins in the food.

Question 4

Which of the following is a correct statement about food allergies versus food-borne illness?

Accepted Answer

Food allergies can cause anaphylaxis, which can be fatal

Answer

Food allergies involve an immune system response to specific proteins and can cause anaphylaxis — a severe, potentially fatal allergic reaction. Cooking does not destroy most food allergens.

Question 5

Under Ontario's Food Premises Regulation, which of the following is a requirement for food handlers?

Accepted Answer

Food handlers must have knowledge of food safety principles

Answer

Ontario Regulation 493/17 requires that food handlers have adequate knowledge of food safety principles to handle food safely. While certification is recommended, knowledge is mandatory.

Ontario Food Handler Practice Test

Ontario Food Handler Practice Test

Ontario Food Handler Certificate Food-Borne Illness Prevention 6