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 hyperglycemia occurs due to all except - 
Select and explain. 
A. Increased level of ACTH, B. Increased level of coisol, C. Decreased level of norepinephrine, D. Insulin resistance
C: Decreased level of norepinephrine
Answer: C: Decreased level of norepinephrine 
Explanation: Ans. C. Decreased level of norepinephrineStress Hyperglycemia:Suppression of insulin secretion coupled with increased secretion of glucagon, growth hormone, glucocoicoids (coisol), and catecholamines (epinephrine ,norepinephrine) leads to hyperglycemia.