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Flashcards in topic 5 Deck (30):
1

what is the definition of health?

a state of complete physical, metal and social well being, not merely the absence of disease or infirmity

2

what are the 2 types of disease?

communicable and noncomunicable

3

what is a communicable disease

an infectious disease transmissible (as from person to person)

4

what is a non communicable disease

non-communicable, which are not transferred between people or other organisms

5

name a non communicable disease

cancer
diabetes
heart disease

6

what causes cholera

a bacterium called vibrio cholerae

7

what are the symptoms of cholera

diarrhoea

8

how is cholera spread

contaminated water

9

what causes tuberculosis

a bacterium called Mycobacterium terberculosis

10

what are the symptoms of tuberculosis

coughing and lung damage

11

how does tuberculosis spread

through the air

12

what causes malaria

a protist

13

what are the symptoms of malaria

damage to red blood cells and the liver

14

how does malaria spread

mosquitos

15

what are stomach ulcers caused by

a bacterium called heliocobacter pylori

16

what are the symptoms of stomach ulcers

stomach pain nausea vomiting

17

how are stomach ulcers spread

oral transition contaminated food or water

18

what is Ebola caused by

the Ebola virus

19

what are the symptoms of Ebola

a fever with bleeding

20

how is Ebola spread

via bodily fluids

21

what is chalara ash dieback caused by

a fungus

22

what are the symptoms of chalara ash dieback

leaf loss bark liaisons

23

how is chalara ash dieback spread

through the air

24

where can viruses reproduce

inside living cells

25

what does a virus contain

a protein coat and genetic material

26

what happens in the lytic pathway

the virus attaches itself into the host cell
injects genetic material
uses proteins and enzymes to replicate genetic material
host cell splits open releasing the new virus

27

that happens in the lysogenic pathway

the genetic material is incorporated into the genome of the host cell
the genetic material gets replicated every time the cell divides
the virus stays dormant
eventually a trigger forces the genetic material to re-join the lytic pathway

28

what does STI stand for

sexually transmitted infections

29

what is chlamydia

is a bacteria that behaves like a virus

30

what are the effects of chlamydia

can result in infertility