Chapter 5 - Communicable And Non Communicable Diseases Flashcards
Is a non communicable disease or communicable disease spread from person to person?
communicable
What is malaria spread by?
A Pathogen
What type of disease is malaria?
A communicable
What do people with malaria experience?
Repeated bouts of fever
Can malaria be passed on person by person?
NO
How does the malaria pathogen get into the mosquito?
By biting an infected human of which contains the malaria pathogen
How does a uninfected human get malaria?
By an infected mosquito biting the human and passing on the malaria pathogen
What do scientists call the mosquito because it contains the pathogen and passes it from person to person?
A vector
How do you stop mosquitoes’ from breeding?
Drain areas of still water as that is where they breed
What can you spray to kill the mosquitoes near still water?
Insecticides
How can you prevent the mosquitoes from biting humans?
By sleeping under a mosquito net
What chemicals can bacteria release? What do they do?
Toxins, they can make us feel unwell
how are communicable diseases spread?
by pathogens
what is a pathogen?
a micro organism that causes infectious disease
what 4 types or disease do pathogens carry?
bacteria, viruses, fungi and protists
What does the white blood cell detect? And where does it move?
Chemicals released from the pathogen and it moves towards it
once bacteria is in the body what does it do?
reproduces very quickly, then releases harmful chemicals called toxins
what do toxins do?
damage tissue and make us feel ill
viruses can only reproduce inside a …
host cell
what does a virus do first
invades the host cell
What is the viral disease tobacco mosaic virus (TMV)
Very widespread plant infection. Affects a number of plant species including tomatoes.
How do pathogens spread?
in the air (eg in water droplets) or directly in water or direct contact between individuals
How do we reduce the spread of pathogens?
washing our hands, clean water, use a physical barrier during sexual contact like a condom, isolate patients
What can pathogens do once inside the body?
They multiply and damage healthy tissue
What does the immune system destroy?
Pathogens and any toxins they produce
Why does the immune system protect us?
In case the same type of pathogen invades in future again
What can the immune system digest and destroy?
Pathogens
What does the white blood cell detect? And where does it move?
Chemicals released from the pathogen and it moves towards t
What does the white blood cells digest?
The pathogens
What does the word INGEST mean?
To take in