1. What congenital malformation is commonly linked to acute leukemia in children?
a. Down syndrome
b. Wilms tumor
c. Retinoblastoma
d. Neuroblastoma
2. When are childhood cancers most often diagnosed?
a. During infancy
b. At peak times of physical growth
c. After diagnosis of a chronic illness
d. After an acute illness
3. Prenatal exposure to diethylstilbestrol (DES) can result in which type of cancer?
a. Breast cancer
b. Leukemia
c. Vaginal cancer
d. Lymphoma
4. Currently, what percentage of children with cancer can be cured?
a. 40%
b. 50%
c. 60%
d. 85%
5. What do most childhood cancers arise from?
a. Epithelium