This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Trauma, Subject name: Surgery
A patient with spine, chest and abdominal injury in road traffic accident developed hypotension and bradycardia. Most likely reason is 
Select and explain. 
A. Hypovolemic shock, B. Hypovolemic + neurogenic shock, C. Hypovolemic + Septicemia, D. Neurogenic shock
D: Neurogenic shock
Answer: D: Neurogenic shock 
Explanation: Answer is neurogenic shock. It is usually due to spinal cord injury, which causes dilatation of splanchnic vessels. There will be bradycardia, hypotension, arrhythmias, and decreased cardiac output. Reference : SRB's Manual of Surgery, 6th Edition, page no = 106.