NAPLEX (North American Pharmacist Licensure Examination) Practice Exam

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Decreased WBC count is termed as?

Leukocytosis
Polycythemia
Leukopenia
Thrombocytosis

The correct answer is: Leukopenia

Leukopenia is the term used to describe a decreased number of white blood cells (WBCs) in the body. This means that the body has a lower than normal count of WBCs, which are responsible for fighting off infections and diseases. Options A, B, and D are incorrect because they refer to conditions that involve an increase in blood cell count, not a decrease. Leukocytosis is the term for an increase in WBCs in the body, polycythemia refers to an increase in red blood cells, and thrombocytosis is an increase in platelets.