Unit 32: Food Safety

Question 1

What are 6 food safety concerns?

Answer 1

1. Food borne illnesses
2. Nutritional adequacy
3. Environmental contaminants
4. Naturally occurring toxicants
5. Pesticide residues
6. Food additives

Question 2

Doctors should be called if:

Answer 2

• Bloody diarrhea
• Stiff neck, sever headache, fever
• Excessive diarrhea or vomiting
• Symptoms lasting longer than 3 days

Question 3

How many food borne illnesses have been identified?

Answer 3

250

Question 4

Effects are most severe in:

Answer 4

• Weakened immune systems
• Pregnant women
• Young children, older persons

Question 5

Symptoms consist of:

Answer 5

• Nausea
• Vomiting
• Abdominal cramps
• Diarrhea

Question 6

• Contaminated water (livestock pooped in)
• Onset: 5-25 days
• Not always related to water you drink, hard to diagnose
• Diarrhea

Answer 6

Giardia

Question 7

• Inflammation of the liver
• Poor sanitation and hygiene
• Undercooked or raw shellfish, contaminated water
• Onset: 15-50 days
• Fatigue, nausea, dark urine

Answer 7

Hepatitis A

Question 8

• High death rate in fetus and infants
• Raw meat, seafood, milk, soft cheese
• Onset: 7-30 days

Answer 8

Listerosis

Question 9

• Raw or undercooked eggs, meat, raw dairy, fruits and vegetables
• Onset: 1-3 days

Answer 9

Salmonella

Question 10

• Infection may be cured, organs can be permanently damaged
• Contamined water
• Undercooked ground beef, unpasteurized milk
• Onset: 1-8 days

Answer 10

E. Coli

Question 11

• Grows without oxygen
• Produces spores which can live for a long time
• Affects nervous system, blurred vision, speech, often fatal
• Onset: 4-36 days

Answer 11

Botulism

Question 12

• Picnic foods
• Meats, poultry, egg products, potato and macaroni salad, cream filled pastries
• Onset: 1/2 - 8 hours
• lasts for 24-48 hours

Answer 12

Staphylococcal toxin

Question 13

Food safety in the kitchen:

Answer 13

1. Clean, safe kitchen
Hot soapy water 
2. Avoid cross contamination 
3. Keep hot food hot
Range for different meats to kill microbes 
4. Keep cold food cold 
Refrigerator: 4-6 
Freezer: -18 - -20

Question 14

Mercury contamination comes from:

Answer 14

• Fungicides, fossil fuel exhaust, smelting plants, pulp mills, and chemical plants

Question 15

Common mercury contamination comes from:

Answer 15

Shark, swordfish, bass, lake trout walleye, chain pickers (large game fish)
* Virtually all fish

Question 16

Mercury interferes with:

Answer 16

• Fetal brain development, avoid eating while pregnant

Question 17

Which two fish are considered safe:

Answer 17

Skip Jack tuna and Yellow fin tuna

Question 18

Additives must be:

Answer 18

• Effective, detectable, and measurable and safe
• GRAS substances are exempt
• Must never have caused cancer

Question 19

Intentional additives:

Answer 19

• Antimicrobial agents - salt, sugar, potassium sorbate, nitriles/nitrate
• Antioxidants (vitamin C, E, sulfites, BHA, and BHT)
• Food coloring (caotenoids, caramel, blue (#1, #2), yellow (#5, #6)
• Artificial flavours (MSG)
• Texture and stability
• Nutrient additives: thiamin ,niacin, riboflavin, folate and iron in grain products, iodine in salt, calcium and vitamin C in juice, vitamin A and D in milk

Question 20

Indirect additives:

Answer 20

• Microwave packaging
• Decaffeinated coffee
• Hormones (BGH)

Question 21

Mad Cow disease is caused by which protein:

Answer 21

Prion

Small protein that transmits disease when consumed by a similar species

Question 22

Mad Cow disease is similar to:

Answer 22

Creutzfeldt-Jakob or Kuru

Question 23

Mad Cow disease comes from:

Answer 23

• Cattle consuming animal parts that transmit disease (nerve, bone, intestine)

Question 24

Common mercury contamination comes from:

Answer 24

Shark, swordfish, bass, lake trout walleye, chain pickers (large game fish)
* Virtually all fish

Question 25

Which two fish are considered safe:

Answer 25

Skip Jack tuna and Yellow fin tuna

Question 26

Health Canada states pregnant women should:

Answer 26

• Avoid shark, tile fish, swordfish, or king mackerel