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
The most common cause of shock of children is 
Select and explain. 
A. Hypovolemic shock, B. Cardiogenic shock, C. Septic shock, D. Neurogenic shock
A: Hypovolemic shock
Answer: A: Hypovolemic shock 
Explanation: Hypovolemic shock is the most common cause of shock in children and adults.