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
U/L injury to hypoglossal nerve leads to all except ? 
Select and explain. 
A. Hemiatrophy of involved side, B. Detion of tongue towards the same side, C. Loss of taste sensation in one half of the tongue, D. Fasciculation of the tongue
C: Loss of taste sensation in one half of the tongue
Answer: C: Loss of taste sensation in one half of the tongue 
Explanation: Hypoglossal nerve supplies the muscles of the tongue (all the intrinsic and extrinsic except palatoglossus).Sensory nerves supply of the tongue:- Anterior 2/3 of tongue - The lingual nerve and the chorda tympani- Posterior 1/3 of tongue - The glossopharyngeal nerve .- The posterior-most pa of the tongue is supplied by the vagus nerve