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Human Body & Health

If a novel virus infects human lung cells, triggering massive chemokine release that overwhelms local immune regulation, which consequence follows?

A)Decreased neutrophil extravasation
B)Cytokine storm and ARDS onset
C)Enhanced antibody affinity maturation
D)Selective T-cell receptor downregulation

💡 Explanation

A cytokine storm and acute respiratory distress syndrome (ARDS) arise because excessive chemokine release causes overstimulation of immune cells, leading to hyperinflammation. Therefore, a cytokine storm is the most likely outcome, rather than decreased neutrophil recruitment or improved adaptive immune function.

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