Norepinephrine action at synaptic cleft is terminated by-: (A) Metabolism by COMT, (B) Metabolism by MAO, (C) Reuptake, (D) Metabolism by acetylchelinesterase
Answer is C. Ans. is 'c' i.e., Reuptake o Metabolism does not play an impoant role in terminating the action of neuronally releases CAs. o It is axonal uptake which is responsible for terminating the action of CAs.