This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Fluid and electrolytes, Subject name: Medicine
Septic shock is most frequently triggered by - 
Select and explain. 
A. Bacterial infections, B. Mixed infections, C. Fungal infections, D. Viral infections
A: Bacterial infections
Answer: A: Bacterial infections 
Explanation: The pathophysiology of septic shock is not entirely understood, but it is known that a key role in the development of severe sepsis is played by an immune and coagulation response to an infection. Septic shock involves a widespread inflammatory response that produces a hypermetabolic effect . Ref Davidson 23rd edition pg 346