If a previously healthy individual develops acquired antibody deficiency after prolonged exposure to a specific environmental toxin that selectively destroys plasma cells, which consequence follows?

💡 Explanation

Increased susceptibility to infections arises because antibody deficiency impairs the humoral immune response, therefore the ability to neutralize pathogens and prevent their entry into cells is lost, rather than enhanced T-cell activity or reduced inflammation which depend on different immune pathways.

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