This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Shock, Subject name: Surgery
Most common type of shock in surgical practice is? 
Select and explain. 
A. Cardiogenic shock, B. Hypovolemic shock, C. Neurogenic shock, D. Septic shock
B: Hypovolemic shock
Answer: B: Hypovolemic shock 
Explanation: ANSWER: (B) Hypovolemic shockREF: with textSurgeons routinely encounter hypovolemic shock, with hemorrhage being the most frequent specific cause" (Ref: Sabiston 18th ed chapter 5)The most common cause of shock in the surgical or trauma patient is loss of circulating volume from hemorrhage. (Ref: Schwartz 9th ed chapter 5)