43.下列有關喉返神經（recurrent laryngeal nerve）受傷會造成之症狀，何者錯誤？
(A)聲音沙啞
(B)噎住（choking）
(C)聲帶麻痺，處在中線旁（paramedian）位置或外展（abducted）位置
(D)咽喉上聲門（supraglottic larynx）感覺麻痺

The recurrent laryngeal nerves

1. supply sensation to the larynx below the vocal cords,

2. gives cardiac branches to the deep cardiac plexus, and branches to the trachea, esophagus and the inferior constrictor muscles.

3. innervate posterior cricoarytenoid muscles, the only muscles that can open the vocal cords