Infectious disease Flashcards Preview

GCSE Biology Paper 1 > Infectious disease > Flashcards

Flashcards in Infectious disease Deck (9)
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1

How is disease spread?

-pathogens

2

define pathogen

-a bacteria or micro-organism taht can cause disease

3

What are the 4 types of pathogens?

-bacteria
-virus
-protis
-fungi

4

How do bacteria react in the human body

-repoduces quickly
-then releases toxins
-damages the tissue

5

What conditions need to be met so a virus can reproduce

-need to be in host cell

6

How does the virus react in human body

-first it enters host cell
-reproduces insode host cell
-damages cell - can burst and die

7

What are the ways pathogens can be spread

-air borne - sneezing and coughing
-water
-direct contact - blood

8

What are the ways of reducing the spread of pathogens

-washing hands
-condoms
-clean drinking water
-isolating patients
-vaccinations

9

What is a virus

-a pathogen that cause infectious disease can