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: Physiology
Stress induced hyperglycemia is mediated through which hormone: 
Select and explain. 
A. Insulin, B. Glucagon, C. Thyroxine, D. All
B: Glucagon
Answer: B: Glucagon 
Explanation: B i.e. Glucagon