B3 - Infection and Response

Question 1

What are pathogens?

Answer 1

microorganisms that cause disease

Question 2

Pathogens can affect what?

Answer 2

Both plants and animals

Question 3

What does bacteria do?

Answer 3

produces toxins that damage your cells and tissues

Question 4

What do viruses do?

Answer 4

Live inside your cells and replicate rapidly

Question 5

What ways can pathogens spread?

Answer 5

Water
Air
Direct contact

Question 6

What are the 3 viral diseases?

Answer 6

Measles
HIV
Tobacco mosaic virus (TMV)

Question 7

How can measles spread?

Answer 7

droplets from persons sneeze or cough

Question 8

How can HIV spread?

Answer 8

sexual contact or exchanging bodily fluids e.g. blood

Question 9

How can TMV spread?

Answer 9

affects many species of plants e.g. tomatoes

Question 10

the spread of diseases can be reduced or prevented by what things?

Answer 10

Being hygienic
Isolation
Vaccination

Question 11

What is salmonella?

Answer 11

Type of bacteria that causes food poisoning

Question 12

Side effects of salmonella?

Answer 12

fever
stomach cramps
vomiting
diarrhoea

Question 13

What is gonorrhoea?

Answer 13

STI

Question 14

Side effects of gonorrhoea?

Answer 14

pain when urinating
yellow or green discharge from vagina or penis

Question 15

Pros of vaccination?

Answer 15

Helps to control communicable diseases such as polio measles and mumps

Question 16

Cons of vaccination?

Answer 16

Vaccines don’t always work
Can have bad reaction