Hematology Sec 5 Exam questions with correct answers 2024/2025

Hematology Sec 5 ExamWhich of the following cytochemical stains can help differentiate AML (acute myelocytic leukemia) from ALL (acute lymphocytic leukemia)? - correct answer MPO (myeloperoxidase) stain Which of the following combinations leads to tumor formation? - correct answer Activation of oncogenes and suppression of tumor-suppressor genes A patient has a WBC count of 250 x 10^9/L, and a peripheral blood smear contains many granulocytes and granulocytic precursors including 2% blasts. Pending further tests, which of the following neoplastic conditions is the most likely diagnosis? - correct answer CML (chronic myelogenous leukemia) A routine CBC from a 5-year-old boy shows 90% blasts in peripheral circulation. Cytochemical staining with MPO (myeloperoxidase)and SBB (Sudan black B) was negative. Based on these findings, from what is the patient most likely suffering? - correct answer ALL (acute lymphocytic leukemia) Which of the following laboratory analyses can be used to diagnose hematopoietic neoplasms? Cell morphology Immunophenotyping Cytogenetics All of the above - correct answer All of the above In what age group does chronic leukemia usually occur? - correct answer Adults An abundance of blasts and some mature forms with an apparent decrease in the intermediate maturational stages is referred to as: - correct answer Leukemic hiatus Which patient population is most affected by acute lymphoblastic leukemia (ALL)? - correct answer Children