<prompt> A 10 year old boy developed hoarseness of voice following an attack of diphtheria. On examination, his Rt vocal cord was paralysed.The treatment of choice for paralysed vocal cord will be:Gel foam injection of right vocal cordFat injection of right vocal cordThyroplasty type-IWait for spontaneous recovery of vocal cord  <response>: Unilateral paralysis of cord due to neuritis as in diphtheria does not require any treatment as it recovers spontaneously. The characteristic features of diphtherial neuropathy is that it recovers completely. 