During Flight or Fight reaction, which of the following is responsible for increase in local blood flow: (A) Sympathetic system mediated cholinergic release, (B) Local hormones, (C) Para-sympthetic cholinergic, (D) Endocrine factors only
Answer is A. Main actions of sympathetic system, when activated, are mediated through noradrenaline. But the local blood flow is increased due to release of acetylcholine at sympathetic cholinergic endings.