In polycythemia vera, erythropoietin is __________.

Which cytochemical stains show strong positivity in acute monocytic leukemia (M5)?

Which percentage of blasts does the WHO classification system recommend for a diagnosis of acute leukemia?

Which type of ALL occurs primarily in adults?

Which laboratory features are helpful in supporting a diagnosis of CIMF instead of essential thrombocythemia?

Which FAB classification demonstrates at least 3% positivity with peroxidase or SBB,

Cold agglutinins of __________ specificity are present in 20% of patients with infectious mononucleosis.

Which French–American–British classification of ALL typically demonstrates a predominantly uniform population of small blasts with scant cytoplasm, clefting of the nucleus, and variable cytoplasmic vacuolation?

Monocytosis occurs when the absolute monocyte count exceeds which of the following?

Which phrase best describes the etiology of essential thrombocythemia?