Which physiological function is lost first when local anesthesia is applied?
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Correct answer: Pain sensation
Pain sensation is typically lost first because pain fibers are small and highly sensitive to sodium channel blockade. Motor function is usually lost later.
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More Local Anesthetics questions
- Which factor enhances the effectiveness of local anesthetics?
- Why is epinephrine often added to local anesthetic solutions?
- Which local anesthetic has a long duration of action and is commonly used in epidural anesthesia?
- Which adverse effect may occur with systemic toxicity of local anesthetics?
- Which organ is primarily responsible for the metabolism of amide local anesthetics?
- Which local anesthetic is commonly used as a topical anesthetic in sprays and gels?