Which AML subtype reacts positively with MPO and specific esterase, and shows evidence of t(8;21):

Patients with sickle cell anemia treated with hydroxyurea have fewer episodes of sickle cell crisis because which of the following is true?

The erythrocytic morphology in megaloblastosis is best characterized by:

Which value is most useful to morphologically classify anemia?

Hemoglobin electrophoresis can be used to detect an abnormal hemoglobin. Findings can be confirmed and more accurately quantitated using which high resolution methodologies? 

Interpret the following results: WBC count: 102 × 109/LDifferential: 13% segmented neutrophils28% band neutrophils15% metamyelocytes8% myelocytes6% promyelocytes15% lymphocytes8% basophils7% monocytes LAP score: 15 (reference interval:  0–400) What disease is suggested?

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

This painful disorder is characterized by marked itching, peeling, red skin. Immunophenotypic studies of cells from the peripheral blood identify malignant T lymphocytes lacking CD5 and CD7.

What is the MCHC in grams per deciliter (g/dL)?

A 19-year-old male visits his physician because of a persistent cough and progressive fatigue over the past month. Physical examination reveals prominent lymphadenopathy. Laboratory analysis reveals a WBC count of 20 × 109/L with 23% reactive lymphocytes. Patient serum is positive for heterophile antibody. Based on this information, from what is the patient most likely suffering?