10 free MLS (ASCP) practice questions in the real exam format, covering the official content areas, with an explanation for every answer.
MLS (ASCP) Practice Test 9Tutor mode
Question 1 of 10
Hematology
A 65-year-old woman has massive splenomegaly, hemoglobin 9.1 g/dL (91 g/L), WBC 14.0 ×10³/µL and platelets 380 ×10³/µL. Her smear shows many RBCs with a single tapered or elongated end, nucleated RBCs, and occasional myelocytes and metamyelocytes. The marrow aspirate is a dry tap, JAK2 V617F is detected and BCR::ABL1 is not. Which diagnosis is MOST likely?