Clostridium botulinum toxin mode of action is by: March 2012
Ans: A i.e. Presynaptic block Cl. Botulinum toxin acts by blocking the production/ release of acetylcholine at the synapses & neuromuscular junctions
Presynaptic block
Postsvnaptic block
Competitive inhibition of acetylcholine
Destruction of acetylcholine