Question

which of the following is a malignant tumor found in children and is composed of primitive neural crest cells originating in the adrenal gland? medulloblastoma nephroblastoma neuroblastoma pheochromocytoma

Explanation:

Medulloblastoma is a malignant brain - tumor in children, not adrenal - gland based. Nephroblastoma (Wilms' tumor) is a kidney tumor in children. Neuroblastoma is a malignant tumor in children, arising from primitive neural crest cells in the adrenal gland. Pheochromocytoma is a tumor of the adrenal medulla but is not typically a childhood tumor composed of primitive neural crest cells in the context described.

Answer:

C. Neuroblastoma