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Microbiology › View

What will be the immediate action of an allergen when it enters the body for a second time?

A. Binding of IgE by the Fc region to mast cells and basophils

B. Degranulation

C. Binding of allergen to adjacent IgE binding sites on mast cells and basophils

D. Prostaglandins cause vasodilation and increased vascular permeability

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Microbes › View

What are vaccines mainly made up of?

A. Dead Pathogens

B. Weak Pathogens

C. Both 1 and 2

D. Neither

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