This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Neoplastic disorders of WBCs, Subject name: Pediatrics
Arsenic is used in the management of: 
Select and explain. 
A. Acute promyelocytic leukemia, B. ALL, C. CML, D. Transient myeloproliferative disorder
A: Acute promyelocytic leukemia
Answer: A: Acute promyelocytic leukemia 
Explanation: - Arsenic trioxide can be used for treatment of resistant cases of Acute promyelocytic leukemia (AML M3). MANAGEMENT OF AML: Ara C (Cytosine Arabinoside) Anthracyclines (Doxorubicin) For M3 AML: ATRA (All Trans Retinoic Acid) Arsenic