1. Neutropenia would most likely not be caused by which of the following?
A) a decrease in available iron
B) a drug binding and antibody mediated destruction of the neutrophils
C) neoplasms involving bone marrow
D) aplastic anemia
A) a decrease in available iron
Decrease in available iron causes anemia as insufficient iron is present to produce hemoglobin. Neutropenia is caused due to low level neutrophils (a type of WBC), these are made in the bone marrow. Thus destruction of neurtrophils will cause neutropenia. Bone marrow neoplasm is the unusual growth of marrow tissue as a characteristic of cancer can also lead to neutropenia. Similarly aplastic anemia is an auto-immune disease where body fails to produce blood cells.
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