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20 Cards in this Set
- Front
- Back
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What is immunity?
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-the ability to destroy pathogens and foreign material
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What are the two types of immune responses?
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-cell mediated and antibody mediated
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Describe the beginning process of both cell mediated and antibody mediated immune response.
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White blood cell (macrophage) ingests the pathogen, kills it, and then displays the antigens on its surface.
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What is the process of cell mediated immunity?
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-Helper T cell creates cytotoxic (cell-killing) T cell. Memory T cell remembers the pathogen for the future.
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What is the process of antibody mediated immunity?
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-Helper T cell creates B cell, which creates a memory B cell and antibodies. Antibodies kill pathogens directly or mark them to be killed by other WBC's.
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How is HIV difference from most other viruses?
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-attacks the immune system which is required to fight infections by killing T cells.
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Is there a vector for HIV?
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-No- it can only survive in humans
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Is Ebola bacterial, viral, or parasitic?
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-Viral
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Is there a vector for Ebola?
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-No known vector
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What are the symptoms of Ebola?
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-Fever, flu-like symptoms, swelling, hemorrhaging
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Is Malaria viral, bacterial, or parasitic?
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-Parasitic
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Is there a vector for Malaria?
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-Yes- mosquitoes
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What are severe symptoms of Malaria?
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-Cardiovascular collapse, anemia, blood in urine, fluid in lungs, inability to clot blood, shock
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What are the three forms of plague?
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-Bubonic plague, Septicemic plague, and Pneumonic plague
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Is plague viral, bacterial, or parasitic?
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-Bacterial
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Is there a vector for plague?
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-Yes- fleas
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What is Bubonic plague?
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-infection in lymph nodes
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What is Septicemic plague?
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-infection in blood stream
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What is Pneumonic plague?
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-infection in lungs
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Which form of plague is most likely to be used as a bioweapon and why?
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-Pneumonic plague because it can be used in an aerosol attack and cause cases of the plague within 1-6 days of exposure, then spread from person to person quickly.
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