This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': 'The initiating mechanism in endotoxic shock is \nSelect and explain. \nA. Peripheral vasodilation, B. Endothelial injury, C. Increased vascular permeability, D. Reduced cardiac output', 'role': 'user'}, {'content': 'Answer: B \nExplanation: ref Robbins 9/e p131-132 The principal mechanism for septic shock includes: Peripheral vasodilation and pooling of blood Endothelial activation/injury Leukocyte induced injury Disseminated intravascular coagulation Activation of cytokine cascades', 'role': 'assistant'}]