Leukopenia is a disorder resulting from conditions like HIV and aplastic anemia that causes levels of white blood cells to drop below the normal standard. Which of the following white blood cell counts suggests leukopenia?
A. 3,000 WBCs per microliter of blood
B. 10,000 WBCs per microliter of blood
C. 5,000 WBCs per microliter of blood
D. 3,900 WBCs per microliter of blood
Answer: A
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