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← Human Body & HealthIf 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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