Surgery All of the following are true about neck dissection except: A Central compament neck dissection involves removal of level VI LNs B Supraomohyoid neck dissection involves removal of level I-III LNs C Type II MRND preserves both spinal accessory nerve and sternocleidomastoid muscle D Lateral neck dissection: removal of level II-V lymph nodes + internal jugular vein 💡 Explanation All of the following are true about neck dissection except: ✓ Correct Answer: C. Type II MRND preserves both spinal accessory nerve and sternocleidomastoid muscle