This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nervous System, Subject name: Surgery
All of the following are true about long terms sequel of cranio spinal radiotherapy for children with CNS tumors except: 
Select and explain. 
A. Neurocognitive dysfunction, B. Endocrinologic dysfunction, C. Musculo skeletan hypoplasia, D. Neuropscychological sequel are independent of radiation dose
D: Neuropscychological sequel are independent of radiation dose
Answer: D: Neuropscychological sequel are independent of radiation dose 
Explanation: Ans. (d) Neuropsychological sequelae are independent of radiation dose* The dose of RT decides the effects due to white matter changes which occur.