Hazards and Contaminants

Question 1

What is a hazard?

Answer 1

Anything that can contaminate food or cause harm to the consumer

Question 2

What are contaminants?

Answer 2

Substances that can enter into the food chain either unintentionally or illegally and can adversely affect the human body

Question 3

Classify contaminants.

Answer 3

Biological
Chemical
Physical

Question 4

Give an example of a biological contaminant.

Answer 4

Microorganisms

Question 5

What type of contaminant are microorganisms classified under?

Answer 5

The are classified as a biological contaminant

Question 6

How does contamination occur by microorganisms?

3

Answer 6

Consumption of food subjected to poor hygiene practices during storage and preparation

Consumption of undercooked meat or eggs

Cross-contamination

Question 7

What type of contamination occurs by consumption of food subjected to poor hygiene practices during storage and preparation, consumption of undercooked meat or eggs, cross-contamination

Answer 7

Biological contamination occurs by microorganisms

Question 8

List the types of chemical contaminants.

4

Answer 8

Pesticides and insecticides
Antibiotics
Industrial residues
Metal residues

Question 9

What type of contaminant are pesticides and insecticides classified under?

Answer 9

Chemical contaminants

Question 10

What type of contaminant are antibiotics classified under?

Answer 10

Chemical contaminants

Question 11

What type of contaminants are industrial residues classified under?

Answer 11

Chemical contaminants

Question 12

What type of contaminant are metal residues classified under?

Answer 12

Chemical contaminants

Question 13

How does chemical contamination occur by pesticides and insecticides?
(2)

Answer 13

Consumption of fruit or veg with insecticide or pesticide residue

Consumption of water contaminated with pesticide or insecticide run-off

Question 14

What is the effect of consuming food contaminated with microorganisms?

Answer 14

Toxic or infectious food poisoning

Question 15

What are the effects of consuming food contaminated with pesticides and insecticides?
(4)

Answer 15

Circulatory problems
Respiratory problems
Cancer
Nervous system damage

Question 16

How does contamination occur by antibiotics?

2

Answer 16

Consumption of meat from an animal which had antibiotics in its system when slaughtered
Consumption of milk from an animal which had antibiotics in its system when milked

Question 17

How does contamination occur by industrial residues?

Answer 17

Consumption of meat, fish, eggs and milk from animals who have consumed crops grown in soil contaminated by emissions from the air or rainwater

Question 18

What are the effects on the body of consuming food contaminated with antibiotics?
(2)

Answer 18

Allergic reactions to antibiotics

Resistance to antibiotics

Question 19

What are the effects on the body of consuming food contaminated with industrial industries?
(2)

Answer 19

Cancer

Immune system damage

Question 20

How do metal residues cause the contamination of food?

2

Answer 20

Consumption of crops grown in soil contaminated by emissions falling from the air or carried in rainwater
Consumption of water contaminated with lead or calcium traces from old piping

Question 21

What are the effects of consuming food contaminated with metal residues on the body?
(4)

Answer 21

Nervous system damage
Immune system damage
Liver damage
Kidney damage

Question 22

Name one type physical contaminant?

Answer 22

Foreign bodies

Question 23

How do foreign bodies contaminate food?

Answer 23

Consumption of food subjected to poor hygiene practices during storage, preparation or cooking

Question 24

What are the effects of consuming food contaminated with foreign bodies?

Answer 24

Toxic or infectious food poisoning

Chocking