This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
While giving incision for third molar trans-alveolar extraction, if the posterior extension of the incision is given in straight line, it would damage the lingual nerve, because? 
Select and explain. 
A. The blade has tendency to cut nerve before muscle, B. Mandible ramus diverges laterally, C. Temporalis fibers are resistant to cut, D. Non of the above
B: Mandible ramus diverges laterally
Answer: B: Mandible ramus diverges laterally 
Explanation: Due to the lateral diversion of the mandibular ramus, posterior extent of the incision must extend laterally to the anterior ramus, to prevent damage to the lingual nerve.