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16 Cards in this Set
- Front
- Back
Important feature in parasite infections in regarding body's defense |
Chronicity persistence over time |
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Parasites are |
Fungi protozoa helminths |
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Parasites why are they well suited to resist natural resistance? |
Protozoa have pellicle Fungi cell walls Worms thick protective tegument |
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Which form of parasites are resistant to natural resistance |
Parasitic forms that develop in human hosts |
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In parasitic immune response every type of response is know and observed true or false |
True |
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Immimogloblin elicited by many helminths (blood flukes and trypanosomes ) |
IgE |
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Enhancement of (blank) is an important anti parasitic strategy |
Inflammation |
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Some parasites elicit a type of immune response that is not the most protective or effective what kind of response is this ? |
Antibody response. |
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What immune response would be best in contrast to anti body response |
T cell |
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Cytokines from (blank) cell released direct and modulate immune responses |
T helper cells |
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Type of t cell that will directly kill intracellular parasites or directly attack helminths |
Ctl or Tc cells |
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Some parasites and/or their products induce what ( tissue damage ?) |
Granulomatious inflammation and fibrosis |
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Parasitic surface products can stimulate what ? |
Polyclonal b cell activation |
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Polyclonal b cell activation by surface products of parasites can cause what disease |
Immune complex disease |
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Polyclonal b cell activation by parasitic surface products can produce what kind of antibody |
Autoreactive antibody |
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Two major mechanisms in which parasites evade host immune response |
Parasites may reduce or alter their antigencity Parasites may directly inhibit just immune responses |