This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Head & Neck, Subject name: Anatomy
Which of the nerve is known as criminal nerve of Grassi? 
Select and explain. 
A. Vagus nerve, B. Trigeminal nerve, C. Hypoglossal nerve, D. Abducent nerve
A: Vagus nerve
Answer: A: Vagus nerve 
Explanation: Ans. A. Vagus nerveNerve of Grassi is the name given to the branches of posterior vagal trunk which arises at the level of gastroesophageal junction and supplies the gastric fundus