Infection and response Flashcards
Communicable disease
Can be spread from person to person by pathogens
Non communicable disease
Can’t spread from person to person
Health
The state of physical and mental well being
What can cause illhealth?
Communicable/ noncommunicable disease
Poor diet
High stress levels
Life situations eg working with dangerous chemicals (eg radiation)
What can diseases cause in terms of other disease?
Getting one can increase chance of being infected by another, eg HIV increases risk of TB
One can actually cause another disease eg HPV can cause cervical cancer
A mental illness
An allergy
Pathogen
Microorganisms that cause disease
Pathogens list
Bacteria
Virus
Protists
Fungi
How bacteria makes us ill
Once inside, they reproduce quickly
They release toxins that damage tissue and makes us ill
How virus makes us ill
Can’t reproduce by themselves so they require entering inside a host cell
Reproduces inside the cell which bursts
Allowing them to spread across the body
How do pathogens spread
In the air inside water droplets
Directly in water (drinking it)
Spread by direct contact with infected people:
Sexually transmitted
Sharing needles
How to reduce spread of pathogens
Basic hygiene ie washing hands
Clean drinking water
Using condoms during sex
Isolating patients
Vaccination
What can viruses not be affected by?
Antibiotics
Examples of virus
Measles
HIV
Measles symptoms
At first = fever
3 days = red skin rash
What spreads measles?
Droplets when infected person coughs/sneezes
When a person inhales it = infected
Effects of measles
Damage to breathing system and brain
Death