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Lessons 10 to 13

Clicker Questions

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Which energy range is commonly used for everyday cooking?

A. Gamma rays

B. X-rays

C. Ultraviolet

D. Infrared

E. Microwaves

A

B

C

D

E

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What irradiated foods are approved to be sold in Canada?

A. Potatoes; onions; wheat and wheat flour; dried spices

B. Pork; fruits and vegetables; fresh eggs

C. Mangoes; poultry; prawns and shrimps; ground beef

D. A and B

E. A and C

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Which regulatory agency is responsible for the labelling and advertising of irradiated foods in Canada?

A. Atomic Energy of Canada

B. Canadian Food Inspection Agency

C. Canadian Irradiation Centre

D. Canadian Nuclear Safety Commission

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What are YOUR concerns about using irradiation to preserve foods?

Impact of DNA on foods, targeted organisms, consumers

Safety: environment and facility

Health: consumer (microorganisms)

Nutrient quality

Why not approved yet (Vs spices)

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Lasagna

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Lasagna - How does cooking affect its nutritive value?

Spinach: Vitamin C

Tomato: Vitamin A

Beef: Fat, Protein

Cheese: Calcium

Pasta: Carbohydrate

Thiamine

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Lasagna - How does freezing affect it’s nutritive value?

Spinach: Vitamin C

Tomato: Vitamin A

Beef: Fat, Protein

Cheese: Calcium

Pasta: Carbohydrate

Thiamine

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Which preservation method preserve the nutrient content closest to the natural, raw form?

A: Commercial Sterilization

B: Canning

C: Refrigeration

D: Freezing

E: Irradiation

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Which preservation method is also known as cold sterilization?

A: Commercial Sterilization

B: Canning

C: Refrigeration

D: Freezing

E: Irradiation

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Lesson 12

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Browse through the Canadian Food Inspection Agency (CFIA) Food Recalls/Health Hazard or Allergy Alerts

http://www.inspection.gc.ca/about-the-cfia/newsroom/food-recalls-and-allergy-alerts/eng/1299076382077/1299076493846

What is the most common reasons/causes of recall and/or alert?

A. Natural Constituents

B. Natural Contaminants

C. Environmental Toxicants

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The meltdown of the Fukushima Daiichi Power Facility after the tsunami in Japan in March 2011 introduces this type of toxicant in the food chain.

A. Bacterial

B. Constituent

C. Contaminant

D. Environmental

E. Packaging residues

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Sashimi should be frozen at -20oC for 7 days to...

  • Avoid development of histamine
  • Create a buffer/wait time for potential red tide alerts related to saxitoxin
  • Allow the natural degradation of domoic acid, a natural neurotoxin
  • Allow the natural degradation of tetrodotoxin
  • None of the above

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A situation in which two or more people experience a similar illness after ingestion of the same food and where epidemiological evidence implicates the food as the source of the illness

  • An incident
  • A single case
  • An outbreak

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Which two of the following is NOT a CCP?

A. Allergenic

B. Biological

C. Chemical

D. Environmental

E. Physical

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Name the neurotoxin that was first discovered on Prince Edward Island. Severely affected individual suffered from memory loss.

A. Histamine

B. Saxitoxin

C. Domoic acid

D. Tetrodotoxin

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