True statements about local anaesthesia – a) It inhibits the generation of action potentialb) Unmyelinated thin fibers are most susceptible than myelinated large fibersc) Toxicity is reduced by addition of vasoconstrictord) Blocks all modalities of sensation at the same time

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VB
Vikas Bhardwaj
Medical Technologist, AIIMS New Delhi
Updated: Apr 17, 2026