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: Surgery
Endotoxic shock is initiated by: 
Select and explain. 
A. Peripheral vasodilation, B. Injury to endothelial cells, C. Inadequate blood volume, D. Failure of myocardial pump
B: Injury to endothelial cells
Answer: B: Injury to endothelial cells 
Explanation: None