This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Head and neck, Subject name: Anatomy
Which of the following nerve loops around submandibular duct? 
Select and explain. 
A. Mandibular nerve, B. Lingual nerve, C. Hypoglossal nerve, D. Recurrent laryngeal nerve
B: Lingual nerve
Answer: B: Lingual nerve 
Explanation: At the anterior border of the hyoglossus,the submandibular duct is crossed by the lingual nerve. REF.BDC VOL-3.Fifth edition.