Passavant’s ridge is located on which of the following:
Posterior wall of oropharynx
Anterior wall of oropharynx
Posterior wall of nasopharynx
Anterior wall of nasopharynx
The upper fibres of palatopharyngeus form a spincter internal to superior constrictor. These fibres constitute passavant’s muscle, which on contraction raises passavent’s ridge on the posterior wall of nasopharynx.