When a patient is asked to say 'ah' , if the uvula is drawn upwards to the left, the cranial nerve likely to be damaged is

Explanation

{All the muscles of soft palate are supplied by pharyngeal plexus derived from the cranial part of accessory nerve except tensor veli palatine which is supplied by the mandibular nerve. The action of musculus uvula is it pulls up the uvula. As the Right accessory is paralysed the uvula is drawn to the left side due to the normal action of left accessory.}