B3 - Communicable Disease
- Created by: emmadoesntlikeusernames
- Created on: 14-08-18 18:30
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- Communicable Disease
- Protists
- Eukaryotes
- Usually single-celled
- Some protists are parasites
- Live on/inside organisms and can cause them damage
- Often transferred by vectors
- Vectors dont get the disease themselves and instead only carry it
- Examples
- Malaria
- Symptoms
- fever
- sweats and chills
- headaches
- vomiting
- muscle pains
- diarrhoea
- Treatment
- antimalarial treatments
- Mechanism fro spreading
- a bite from an infected mosquito (vector)
- Symptoms
- Malaria
- Bacteria
- Very small living cells (about 1/100th of body cells)
- Reproduce rapidly inside body
- Make you feel ill by producing toxins which damage cells and tissue
- Bacteria
- Gonorrhoea
- Symptoms
- thick yellow/green discharge
- bleeding between periods (in women)
- pain when urinating
- Mechanism for spreading
- unprotected sexual contact
- Treatments
- antibiotic injection
- antibiotic tablet
- Symptoms
- Salmonella
- Symptoms
- diarrhoea
- fever
- abdominal cramps
- dehydration
- chills
- headaches
- blood in stool
- Treatment
- Antibiotics
- Hydration (possibly rehydration liquid)
- Mechanism for spreading
- Eating contaminated food
- Symptoms
- Gonorrhoea
- Viruses
- Viruses are not cells (1/1000th of a bacterium)
- Rapidly reproduce inside body
- Live inside cells and replicate until the cells bursts
- Cell damage is what makes people feel ill
- Live inside cells and replicate until the cells bursts
- Examples
- Measles
- Symptoms
- fever
- red rash over skin
- inflamed eyes
- Mechanism fro spreading
- droplet infection (talking, coughing, sneezing) and droplets are inhaled
- Treatment
- Vaccinations to prevent as chldren
- No meditations available
- Usually disappears with 2 to 3 weeks
- Symptoms
- HIV
- Symptoms
- persistent diarrhoea
- fever, chills and night sweats
- nausea
- chronic fatigue
- Mechanism for spreading
- direct sexual contact
- sharing needles
- treatments
- antiretrovial therapy (medications)
- Symptoms
- TMV
- Symptoms
- stunting
- yellowish streaking of leaves
- malformation of leaves from growing points
- Mechanism for spreading
- direct contact, such as human handling
- Treatments
- There is no known chemical treatment
- Symptoms
- Measles
- Fungi
- Come in different shapes
- Some are single-celled
- Some have a body which is made up of hyphae (thread-like structure)
- Hyphae can grow and penetrate human skin?plant surfaces, causing disease
- Hyphae can also produce spores which can be spread between animals and plants
- Examples
- Rose black spot
- Symptoms
- leaf tissue may turn yellow
- rapidly growing purplish/black patch on leaf
- Treatment
- avoid watering
- remove infected leaves
- chemical treatments are available
- Mechanism for spreading
- Symptoms
- Rose black spot
- Come in different shapes
- Definition
- A disease which is infectious.
- How pathogens can be spread
- Water
- Pathogens can be spread by drinking or bathing in dirty water
- Air
- Pathogens an be carried in the air and breathed in
- Some pathogens are transferred through droplets which can be produced by a drop or sneeze
- Direct Contact
- Pathogens can be picked up by touching contaminated surfaces
- Water
- Preventing Disease
- Being Hygenic
- Destroying vectors
- Isolating infected vectors
- Vaccinations
- Protists
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