A Patient Presents with a Hematocrit of 55%, Elevated Red

question 52

Multiple Choice

A patient presents with a hematocrit of 55%, elevated red cell mass, normal arterial oxygen saturation, elevated LAP score, and thrombocytosis. What is the most probable cause of these laboratory findings?

• A) Secondary erythrocytosis
• B) Polycythemia vera
• C) Relative erythrocytosis
• D) Idiopathic myelofibrosis
• E) Essential thrombocythemia

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