What is the term for the appearance of blisters on unbroken skin or mucous membranes after mechanical impact?

Explanation

A. Tinel’s sign refers to tingling sensations produced by nerve percussion. B. Babinski’s sign indicates an abnormal reflex response. C. Nikolsky’s sign is the formation of bullae on intact skin following slight pressure or trauma. D. Chvostek’s sign is a facial muscle spasm triggered by tapping the facial nerve.