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: Anatomy
Following is true about safety muscle of tongue - 
Select and explain. 
A. Innervated by cranial part of accessory nerve, B. Hypoglossal nerve, C. Attached to hard palate, D. None of the given options
B: Hypoglossal nerve
Answer: B: Hypoglossal nerve 
Explanation: Genioglossus (saftey muscle) is supplied by hypoglossal nerve.