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The B-cell is activated when its _____ recognizes and binds to an ______.

Cell mediated immunity recognizes antigens presented by APCs with Class I or Class II MHC molecule

Adaptive immunity is a non-specific immune response because it does not response to a specific antigen.

Cell mediated immunity Involves the destruction of infected cells by cytotoxic T cells, or the destruction of intracellular pathogens by macrophages

T cells require both stimulatory and Co-stimulatory signals to be  activated. However, they can still become activated without the co-stimulatory signal.

Maturation of monocytes into macrophages, dendritic cells and B-lymphocytes takes place in blood.

The alternative pathway acts as a bridge between innate and adaptive immunity

Which of the following is a feature of innate immunity?0.5

The most important cytokines in innate immunity against viruses are: 

Naïve T-cells in secondary lymphoid organs can differentiate into effector and memory T-cells in the absence of an antigen.