Psychiatric diagnostic evaluation

A 15-year-old boy is complaining of severe headaches; he has a white count of 76.0 x 109/L, platelet count of 55 x 109/L, and a hematocrit of 33%

When a white cell differential is performed, most of the nucleated cells are blasts. They are CD2, CD4, and CD8 positive. What is the most likely diagnosis? a. Immature-B cell acute lymphoblastic leukemia b. T-cell acute lymphoblastic leukemia c. Acute myeloid leukemia without maturation d. Acute myeloid leukemia with maturation

High exposures of radioactivity have been shown to lead to:

A) heart disease B) diabetes C) leukemia D) rheumatoid arthritis