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Human Body & Health

Following a radiation accident that suppresses bone marrow function, which effect becomes evident in peripheral blood, causing pancytopenia, and increasing the risk of severe infection?

A)Elevated erythropoietin levels
B)Reduced neutrophil count
C)Increased reticulocyte percentage
D)Shift toward microcytic anemia

💡 Explanation

Aplastic anemia results from bone marrow damage, leading to decreased production of all blood cells, including neutrophils; therefore, a reduced neutrophil count increases infection risk, because of the impaired innate immune response rather than the other effects such as reticulocytosis, or increased erythropoietin.

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