Dermatologic Surgery Flashcards
7 cards from real ABD practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Dermatologic Surgery flashcards as text
During Mohs micrographic surgery, tissue margins are examined using which sectioning technique?
Answer: Horizontal en face frozen sections
Mohs uses horizontal en face frozen sections allowing evaluation of 100% of the surgical margin.
What is the primary advantage of Mohs surgery over standard excision for high-risk facial tumors?
Answer: Complete margin control with maximal tissue conservation
Mohs offers the highest cure rate while sparing the maximum amount of healthy tissue.
Which local anesthetic additive prolongs anesthesia duration and reduces bleeding?
Answer: Epinephrine
Epinephrine causes vasoconstriction, prolonging anesthesia and reducing intraoperative bleeding.
What is the maximum safe dose of lidocaine with epinephrine per kilogram?
Answer: 7 mg/kg
Lidocaine with epinephrine has a maximum safe dose of approximately 7 mg/kg.
A patient reports metallic taste, perioral numbness, and tinnitus after injection. This suggests?
Answer: Local anesthetic systemic toxicity
Early CNS signs like perioral numbness and tinnitus indicate local anesthetic systemic toxicity.
Which suture material is absorbable and commonly used for deep dermal closure?
Answer: Polyglactin 910 (Vicryl)
Polyglactin 910 is a braided absorbable suture ideal for buried dermal sutures.
The tumescent technique in liposuction primarily reduces which risk?
Answer: Blood loss
Tumescent anesthesia with dilute epinephrine markedly reduces intraoperative blood loss.