Which of the following can cause generalized lymphadenopathy( ) A: Suppurative tonsillitis B: Gingivitis C: Metastatic cancer D: Acute mastitis E: Infectious mononucleosis

Risk<br/>factors that predispose to leukemia include all EXCEPT (<br/>) A: Myelodysplastic syndrome B: Infectious mononucleosis C: Down syndrome D: Ionizing radiation E: Benzene