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16 Cards in this Set
- Front
- Back
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what is as a pathogen |
microorganisms that causes disease |
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how do bacteria and viruses make us feel ill |
reproduce in the body damage cells and release toxins |
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how do white blood cells help to defend against pathogens |
ingest pathogens and destroy them, prodcues antibodies and antitoxins |
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how does immuity develop |
antigens- uniue proteins on a pathogen cell surface, white blood cells produce antibodies to join up with antigens on a pathogen. |
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what impact did semmlweiss research have |
he made the doctors wash their hands in chlorine water, there was a huge decreasein the number of deaths. |
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how are painkillers useful |
they relieve symptons of an infection or illness |
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what are antibiotics and what can they be used for. |
are medicines tht work inside the body to kill bateria that cause disease by damaging the bacterial cells. |
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what is one of the impacts of the overuse of antibiotics can cause resistant bacteria to develop |
what is one of the impacts of the overuse of antibiotics can cause resistant bacteria to develop |
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why is it so difficult to treat viral infections. |
viruses live inside body cells |
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describe the action vaccination on the body |
given a weak or dead form of the patogen> white blood cells produce antibodies. pathogen is destroyed |
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what does the mmr vaccine protect people against |
mmr vaccine is used to protect people against measles mumps an rubella |
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why must petri dishes be sterilized before use. |
to kill any microorganisms already on the dishes. |
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when using inoculating loops to transfer bacteria wht must be done to avoid contamination |
the loop must be heated in a flame |
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why must petri dises be taped shut |
to stop microorganisms getting in or out |
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what is he maximum temperture that cultures can be incubated to in a school |
must be incubated at 25 degrees celsius max |
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why is this |
it reduces risk of growth of pathogen that might be arful to humans |
