b2
- Created by: bwillows1
- Created on: 12-05-14 10:03
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- antimicrobials
- antimicrobials are chemicals that inhibit the growth of microorganisms or kill them, without seriously damaging your own body cells
- useful for clearing up infections that your own immune system is having trouble with
- antibiotics are a type of antimicrobial that can kill bacteria
- however antibiotics DO NOT KILL VIRUSES
- flu's and colds are caused by viruses so antibiotics can not be used to treat them
- however antibiotics DO NOT KILL VIRUSES
- antibiotics are a type of antimicrobial that can kill bacteria
- useful for clearing up infections that your own immune system is having trouble with
- microorganisms can evolve and become resistant to antimicrobials
- microorganisms can sometimes develop random mutations in their DNA
- this can lead to changes in the microorganisms characteristics
- can sometimes mean that the organism is less effected by the anitmicrobial
- means that the microorganism has a big advantage
- able to survive better
- lives longer
- reproduces more times
- this leads to gene resistance being passed on
- NATURAL SELECTION
- this is how it spreads
- this is a problem to those who become infected
- sometimes drug companies can make new antimicrobials that are effective
- "superbugs" that aare resistant to most known antimicrobials are becoming more common
- eg (MRSA)
- "superbugs" that aare resistant to most known antimicrobials are becoming more common
- sometimes drug companies can make new antimicrobials that are effective
- this is a problem to those who become infected
- this is how it spreads
- NATURAL SELECTION
- this leads to gene resistance being passed on
- reproduces more times
- lives longer
- able to survive better
- means that the microorganism has a big advantage
- can sometimes mean that the organism is less effected by the anitmicrobial
- this can lead to changes in the microorganisms characteristics
- microorganisms can sometimes develop random mutations in their DNA
- YOU MUST FINISH A COURSE OF ANTIBIOTICS
- the more often antibiotics are used, the bigger the problem of antibiotic resistance becomes
- only use them when you really need too
- antibiotics do not actually cause resistance
- they create a situation where naturally resistant bacteria have an advantage
- and so increase in numbers
- it is important that you take all the antibiotics the doctor has prescribed to you
- people stop taking them when they feel better
- increases the risk of antibiotic resistant bacteria forming
- people stop taking them when they feel better
- it is important that you take all the antibiotics the doctor has prescribed to you
- and so increase in numbers
- they create a situation where naturally resistant bacteria have an advantage
- the more often antibiotics are used, the bigger the problem of antibiotic resistance becomes
- antimicrobials are chemicals that inhibit the growth of microorganisms or kill them, without seriously damaging your own body cells
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