How long after application does TAC provide skin anesthesia to nonintact skin?

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Multiple Choice

How long after application does TAC provide skin anesthesia to nonintact skin?

Explanation:
When the skin is nonintact, the barrier is compromised, allowing the topical anesthetic to diffuse into nerve endings more quickly. This speeds the onset of numbness, so TAC typically provides skin anesthesia in about 15 minutes on broken or damaged skin. Shorter onset, like 5 minutes, is unlikely for a full anesthetic effect, while longer times such as 30 or 60 minutes are more consistent with intact skin or slower absorption.

When the skin is nonintact, the barrier is compromised, allowing the topical anesthetic to diffuse into nerve endings more quickly. This speeds the onset of numbness, so TAC typically provides skin anesthesia in about 15 minutes on broken or damaged skin. Shorter onset, like 5 minutes, is unlikely for a full anesthetic effect, while longer times such as 30 or 60 minutes are more consistent with intact skin or slower absorption.

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