This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Radiology
Deterministic effects of radiation are those effects in which the severity of response 
Select and explain. 
A. Is proportional to the dose, B. Is determined by the operator, C. Depends on composition of tissue, D. Depends on volume of exposed tissue
A: Is proportional to the dose
Answer: A: Is proportional to the dose 
Explanation: None