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
The hypoglossal nerve provides: 
Select and explain. 
A. Motor innervation to styloglossus and hyoglossus muscles only, B. Motor innervation to all of the muscles of the tongue both intrinsic and extrinsic, C. Sensory innervation to the posterior third of the tongue, D. Sensory innervation to the anterior two-thirds of the tongue
B: Motor innervation to all of the muscles of the tongue both intrinsic and extrinsic
Answer: B: Motor innervation to all of the muscles of the tongue both intrinsic and extrinsic 
Explanation: None