Anaesthesia Why is the effect of local anaesthesia slow in infected tissues A Less vascularity causing poor diffusion of drug B Rich in enzymes that metabolize the drug C Low extracellular pH that hinders diffusion of drug into cell D Rich in K+ that inhibits binding of the drug to the receptor 💡 Explanation Why is the effect of local anaesthesia slow in infected tissues ✓ Correct Answer: C. Low extracellular pH that hinders diffusion of drug into cell