Clinical Laboratory Hematology 3rd Edition by Shirlyn McKenzie, Lynne Williams

Exercise 41

A 43-year-old male had been working with the Peace Corps in Mexico for the past 10 years. His primary responsibilities were taking radiographs and doing laboratory work at the various clinics. He had been complaining of weakness and fatigue for about a month and had had several severe nosebleeds. His CBC upon admission to the hospital was:
What would be the most likely causative agent of the leukemia? (Objective 2)
A) virus
B) age
C) hepatitis
D) ionizing radiation