Which of the following myeloproliferative disorders is characterized by an elevated white count and a markedly elevated platelet count?

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Essential thrombocythemia (ET) is a myeloproliferative disorder characterized by an increased number of platelets in the blood, which can cause blood clotting and bleeding problems. While chronic myeloid leukemia (CML) and primary myelofibrosis (CIMF) can also have an elevated white blood cell count and platelet count, PV is characterized by an elevated red blood cell count, not platelets.

Which of the Following Myeloproliferative Disorders Is Characterized by an Elevated