Term
What is an infectious disease? |
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Definition
a disease that can pass from one organism to another |
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Term
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Definition
organisms that cause disease |
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Term
Name the 4 major groups of pathogens. |
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Definition
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bacteria
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viruses
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fungi
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protists
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Term
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Definition
a poison produced by bacteria that harms the nervous system |
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Term
| Name 4 ways pathogens are spread. |
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Definition
- between humans
- from contaminated objects
- from animal bites
- from the environment
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Term
| What are the body's 3 lines of defense against disease? |
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Definition
- barriers
- inflammatory response
- immune response
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Term
| Name the barriers to pathogens. |
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Definition
skin
mucus
stomach acid
cilia |
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Term
| Name 3 symptoms of the inflammatory response. |
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Definition
- swelling
- redness
- warm to the touch/feverish
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Term
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Definition
| white blood cells that engulf and "eat" pathogens |
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Term
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Definition
| white blood cells that identify and target pathogens for destruction |
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Term
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Definition
| a marker molecule on a cell that lets lymphocytes know if the cells is part of the body or a foreigner (comes from outside the body) |
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Term
| What is a noninfectious disease? |
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Definition
| a disease that cannot be "caught" |
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Term
| Name the chemicals produced by B cells. |
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Definition
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Term
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Definition
| a foreign substance that causes the body to overreact by producing too much histamine. An example would be pollen. |
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Term
| How does your body know to create antibodies for the flu? |
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Definition
| T-cells recognize the antigen on the flu virus as a foreign invader and tell the B-cells to create the antibodies. |
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Term
| What is the difference between a "vaccine" and a "vaccination"? |
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Definition
| A "vaccine" contains the dead or weakened pathogens; a "vaccination" is how you get the vaccine into your system. |
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