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Cytokine storms negatively impact human health.

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What type of immunity results from vaccination?


A) innate immunity
B) naturally acquired active immunity
C) naturally acquired passive immunity
D) artificially acquired active immunity
E) artificially acquired passive immunity

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Thymic selection


A) destroys T cells that do not recognize self-molecules of MHC.
B) destroys B cells that make antibodies against self.
C) destroys MHC molecules.
D) destroys CD4⁺ cells that attack self.
E) activates B cells.

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What adaptive immune responses,if any,could one expect to function normally in a human born without a thymus?

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A human born without a thymus would have...

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Cytokines released by TH1 cells


A) activate CD8⁺ cells to CTLs.
B) convert TH1 cells to TH2 cells.
C) convert TH2 cells to TH1 cells.
D) directly kill parasites.
E) convert B cells to T cells.

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