The drug that produces neuromuscular blockade by persistent depolarization is:
Decamethonium is a peripherally acting skeletal muscle relaxant. It produces an immediate and rapid depolarization of the motor end plate. D-tubocurarine, pancuronium and gallamine are competitive antagonists of acetylcholine at the motor end plate and produce skeletal muscle relaxation.
D-tubocurarine.
Gallamine.
Pancuronium.
Decamethonium.