Chapter 5: Communicable Diseases II

Question 1

How is salmonella spread?

Answer 1

salmonella is spread through undercooked food and poor hygiene

Question 2

What are some symptoms of salmonella?

Answer 2

• fever
• abdominal cramps
• diarrhoea
• vomiting

Question 3

How is salmonella treated?

Answer 3

poultry is vaccinated

Question 4

What is Gonorrhoea?

Answer 4

gonorrhoea is an STD

Question 5

What are some symptoms of gonorrhoea?

Answer 5

• thick green discharge from the penis and vagina

- pain on urination

Question 6

How can gonorrhoea be treated?

Answer 6

• contraception

- antibiotics

Question 7

What is Rose Black Spot?

Answer 7

This is a fungal disease of rose leaves that causes a purple or black spot that eventually causes the leaf to fall off

Question 8

How is Rose Black Spot spread?

Answer 8

Spores of the fungus are spread into the environment, carried by the wind.

Question 9

How is Rose Black Spot prevented?

Answer 9

• burning the effected leaves
• chemical fungicides
• breeding

Question 10

What is malaria?

Answer 10

Malaria is caused by parasitic protists and is spread by the bite of female mosquitos

Question 11

What damage does malaria do?

Answer 11

it damages:

• blood
• liver cells

Question 12

What are the consequences of malaria?

Answer 12

• fevers
• shaking
• death

Question 13

How is malaria treated?

Answer 13

• using insect nets
• use insecticides to kill mosquitos
• killing larvae
• antimalarial drugs

Question 14

Name three ways your skin defends your body

Answer 14

• your skin covers your body and acts as a barrier, as well as clot of blood when this barrier breaks
• your skin produced antimicrobial secretions to destroy pathogens and bacteria
• healthy skin is covered with microorganisms

Question 15

How does your nose defend against pathogens?

Answer 15

• full of hairs

- mucus traps pathogens

Question 16

How does the trachea and bronchi defend against pathogens?

Answer 16

• secrete mucus

- lining of the tubes is covered in cilia

Question 17

How does your stomach defend against pathogens?

Answer 17

-produces acid that destroys pathogens

Question 18

explain how white blood cells ingest pathogens

Answer 18

the white blood cell with ingest microorganisms and digest and destroy them

Question 19

explain how antibodies work

Answer 19

antibodies target particular bacteria or viruses and destroy them

Question 20

explain how producing toxins help your body

Answer 20

some white blood cells produce antitoxins that cancel out the toxins released by pathogens

Question 21

Name 2 things that aphids do

Answer 21

• feed off of phloem sap

- transfer viruses, bacteria, fungi

Question 22

How can aphids be treated

Answer 22

• chemical pesticides

- releasing insects that ingest aphids (like ladybugs)

Question 23

Name 3 ways that plant diseases can be detected

Answer 23

• gardening manuals
• laboratory tests
• monoclonal antibodies

Question 24

Name 4 ways that a plant could defend itself against pathogens

Answer 24

• cellulose cell walls
• waxy cuticle
• bark on trees
• leaf fall

Question 25

Name 4 ways that a plant may protect itself from a herbivore

Answer 25

• thorns make eating a plant painful
• curling when touched scares herbivores
• poisons make the herbivores feel unwell