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11 Cards in this Set
- Front
- Back
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what are ligands also called on bacteria? |
adhesins |
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what are ligands also called on viruses? |
attachment proteins |
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what is avirulent? |
Bacterial cells and viruses that have lost the ability to make ligands-whether as the result of some genetic change (mutation) or exposure to certain physical or chemical agents become harmless. |
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describe biofilm |
some bacterial pathogens do not attach to host cells directly but instead interact with each other to form a sticky web of bacteria and polysaccharides which adhere to a surface within a host. |
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define disease |
aka morbidity, is a condition sufficiently adverse to interfere with normal functioning of the body. |
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define symptoms |
subjective characteristics of a disease that can be felt by the patient alone. i.e. pain, headache, dizziness and fatigue |
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what are signs? |
objective manifestation of disease that can be observed or measured by other. i.e. swelling, rash, redness and fever. |
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what is a syndrome? |
is a group of symptoms and signs that collectively characterizes a particular abnormal condition. |
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what is asymptomatic? |
having an infection but showing no symptoms, aka subclinical |
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what is etiology |
is the study of the cause of a disease |
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what is the germ theory of disease? |
states that disease is caused by infections of pathogenic microorganisms |
