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: Pathology
A single whole body dose of how many rads could result in death - 
Select and explain. 
A. 100 rads, B. 200 rads, C. 300 rads, D. 500 rads
C: 300 rads
Answer: C: 300 rads 
Explanation: Ans. is 'c' i.e., 300 rads o Lethal dose for humans exposed to a single dose of highly penetrating electromagnetic radiation delivered over a period of less than 24 hours is 250 to 400 rad.