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: Physiology
Conduction in which type of fibres is maximally affected by hypoxia 
Select and explain. 
A. A alpha fibres, B. C fibres, C. A delta fibres, D. B fibres
D: B fibres
Answer: D: B fibres 
Explanation: Suspectibility of nerve fibres to hypoxia is B > A > C fibres