disease
- Created by: Epic Al
- Created on: 30-06-22 16:01
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- Disease
- Communicable disease
- Caused by Pathogens
- bacteria
- produce toxins
- reproduce rapidly
- viruses
- reproduce rapidly
- Cause cell damage
- fungi
- protists
- Can be spread through air, water and direct contact
- bacteria
- Prevent spread
- simple hygiene measures
- Destroying vectors
- Isolating infected individuals
- vaccination
- Viral diseases
- Measles
- No cure
- isolation of patients and vaccination prevents spread
- can be fatal
- HIV/AIDS
- causes flu like illness initially
- attacks the body's immune cells
- AIDS occurs when immune system is so damaged it cannot protect against other disease
- STD, exchange of bodily fluids
- Tobacco Mosaic virus (TMV)
- plant pathogen
- discolours leaves and kills cells
- no treatment
- prevented by field hygiene and pest control
- Measles
- bacterial disease
- Salmonella
- fever, cramps, vomiting and diarrhoea
- spread by not properly cooked food
- vaccinating chickens, good food hygiene
- Gonorrhoea
- STD
- lead to infertility, pelvic pain, and ectopic prgnancies
- antibiotics
- In plants
- agrobacterium tumefaciens
- cause galls
- agrobacterium tumefaciens
- Salmonella
- fungi and protists
- Rose black spot
- Fungal
- wind and water
- photosynthesis is decreased
- stunts growth
- remove infected leaves and chemical sprays
- Malaria
- damages blood and liver cells
- bite of female mosquitos
- Rose black spot
- Caused by Pathogens
- Prevention and treatment
- vaccination
- weakened or dead pathogen
- the body remembers which antigens to produce
- heard immunity
- antibiotics and painkillers
- antibiotics destroy bacteria without damaging cells
- painkillers treat symptoms but not the pathogens
- antibiotics dont destroy viruses
- drugs
- discovering
- traditionally found in plants
- penicillin was created accidently by Alexander Fleming
- synthesised by chemists nowadays
- developing
- extensive testing
- tested using cells, tissues, and live animals
- blind tests
- some patients are given a placebo
- neither the patients or doctors know who has the fake drugs
- discovering
- Monoclonal antibodies
- Making
- have a specific side for the specific antigens
- mouse lymphocytes create specific antibodies
- uses
- used for treatment of disease
- created more side effects than expected
- bound to a radioactive substance that transports them to the cells
- Making
- vaccination
- Non-Communicable
- can't be passed on
- risk factors are aspects of a persons lifestyle or substances present in the body or environment
- Cancer
- result from abnormal uncontrolled cell division
- benign form in one place and don't spread
- cancerous cells invade neighbouring tissues and may spread in the blood
- smoking, obesity, viruses, uv exposure
- smoking
- can cause cardiovascular disease
- foetus exposed to smoking has restricted oxygen supply
- diet and exercise
- affects risk of developing cardiovascular disease
- obesity is a strong factor for diabetes
- Alcohol
- can damage liver
- can cause brain damage and death
- can affect the development of her unborn baby
- Communicable disease
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