The major short term complication of chemotherapy treatment of childhood leukemia is

Correct Answer: C

Rationale: Bone marrow suppression (neutropenia, anemia, thrombocytopenia) is the most immediate and common chemotherapy complication.

Correct Answer: A

Rationale: Poor school performance can result from gradual cognitive decline due to slow-growing CNS tumors.

Correct Answer: B

Rationale: Neuroblastoma is the most common malignancy in infants, often diagnosed before age 1.

Correct Answer: A

Rationale: Wilms' tumor can mimic neuroblastoma with an abdominal mass, though their features (e.g., hematuria in Wilms') differ.

Correct Answer: C

Rationale: IVC evaluation checks for tumor thrombus extension, critical for surgical planning in Wilms' tumor.