663066
Description
Mind Map by alice.finlay, updated more than 1 year ago
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Created by alice.finlay
over 10 years ago
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Harmful Microorganisms
- Microorganisms that cause
disease are called PATHOGENS
- Diseases caused by pathogens
- Cholera and food
poisoning = caused by
bacteria
- Influenza and
chickenpox =
caused by a virus
- Athletes foot
= caused by
fungus
- Cholera and food
poisoning = caused by
bacteria
- Entry of pathogens
- NOSE = airborne diseases
- MOUTH = contaminated water and food
- SKIN = bites, cuts, infected needles
- REPRODUCTIVE ORGANS = contact
- NOSE = airborne diseases
- Preventing transmission of disease
- FOOD - Cook, freeze, preserve
- WATER - Boil it
- CONTACT - Avoid it, use a form of barrier e.g. gloves
- AIRBORNE DROPLETS - Cover
mouth when we cough, sneeze
- FOOD - Cook, freeze, preserve
- Stages of infection
- 1. Entry into the body (0 days)
- 2. Rapid growth of pathogen
= incubation period (0-4 days)
- 3. Production of toxins (0-4 days)
- 4. Appearance of
symptoms e.g. fever (4-9 days)
- 1. Entry into the body (0 days)
- Cholera
- Vibrio Cholerae bacteria
causes cholera, it lives in water
- Sterilising the
water (by
boiling it) can
prevent this
- Vibrio Cholerae bacteria
causes cholera, it lives in water
- Antiseptics kill or
inhibit the growth of
microorganisms on
the external surfaces
of the body
- Antibiotics destroy
bacteria internally
but have no effect
on viruses
- There are more cases of food poisoning in the summer
months because warm weather can increase bacteria
reproduction. Barbecues don't usually cook food properly.
Also, there are a lot more flies about in the summer
- Haiti - Dysentery, cholera
and food poisoning all
become a major problem
after natural disasters
because
- Damage to water supplies/sewage systems
- Damage to electrical supplies causing rapid food decay
- Disrupted health services
- Displacements of people (overcrowding)
- Damage to water supplies/sewage systems
- How to reduce antibiotic resistance
- Only use when necessaary
- Always complete the course of antibiotics
- Only use when necessaary
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