B3- pathogen + diseases

Question 1

What are communicable diseases?

Answer 1

Diseases caused by pathogens that can be passed from one organism to another.

Question 2

What are non-communicable diseases?

Answer 2

Diseases which are not infections and cannot be passed from one organism to another.

Question 3

what are the 4 communicable diseases

Answer 3

Bacteria, Virus, prostits and fungus

Question 4

describe bacteria

Answer 4

reproduce quickly, outside of cell, produce toxins which damage cells

Question 5

describe viruses

Answer 5

not a cell, replicate inside of cell, needs a host cell (for DNA), destroys + kills host cell

Question 6

describe fungus

Answer 6

reproduce by releasing spore by direct contact that can be pick up/ inhaled.

Question 7

Describe protists

Answer 7

sing cell (unicellular) Eukaryotic, own group found in water.

Question 8

what is a pathogen

Answer 8

a micro organism which causes communicable disease

Question 9

what type of disease is Gonorrhoea?
symptoms?
How does is it caused?
how can you treat + prevent it?

Answer 9

-BACTERIA: sexually transmitted
-symptoms: yellow/green discharge from vagina/penis, or pain while urinating
-treatment: penicillin
-prevention: contraception

Question 10

what type of disease is Rose black spot?
symptoms?
How does is it caused?
how can you treat + prevent it?

Answer 10

-FUNGUS: transmitted by water + wind
-symptoms: black spots on leaves, which drop off early, reduced photosynthesis
-treatment: destroying affected leaves, fingicides

Question 11

what type of disease is Malaria?
symptoms?
How does is it caused?
how can you treat + prevent it?

Answer 11

-PROTIST: female mosquito bites, feeding off blood (VECTOR)
-symptoms: recurrent fever (possibly fatal)
-mosquito spray/net, vaccination

Question 12

what type of disease is measles?
symptoms?
How does is it caused?
how can you treat + prevent it?

Answer 12

VIRUS: spread by inhaling droplets from sneezes
symptoms: red rash, fever
prevention: vaccination young child
treatment: creams, medication

Question 13

what type of disease is HIV?
symptoms?
How does is it caused?
how can you treat + prevent it?

Answer 13

Virus- spread through sexual contact or exchange of bodily fluid.
Symptoms: cause flu like illness (untreated can lead to aids)
treatment: antivirals
prevention: safe sex ( contraceptions)

Question 14

what type of disease is SALMONELLA?
symptoms?
How does is it caused?
how can you treat + prevent it?

Answer 14

BACTERIA: transmitted by consumption of raw chicken (unclean) or spoilt food.
symptoms: vomit, fever, diarrhoea
prevention: vaccination
treatment: antibiotics (bacteria)

Question 15

what type of disease is tobacco mosaic virus ?
symptoms?
How does is it caused?
how can you treat + prevent it?

Answer 15

VIRUS: transmitted through contact of plant, naturally or by hands
symptoms: mosaic pattern on plant
effects plant grow (less photosynthesis)
prevention: removal + isolation of diseased plants