Surgery Local anesthetics block nerve conduction by A Depolarising the nerve membrane reducing threshold potential B Decreasing the membrane permeability to Na+ ions there by stabilizing nerve membrane C Increasing the membrane permeability to K+ ions and by depolarising nerve membrane D None of the above 💡 Explanation Local anesthetics block nerve conduction by ✓ Correct Answer: B. Decreasing the membrane permeability to Na+ ions there by stabilizing nerve membrane