True about Nasal Endoscopy is:
All other options are wrong – the right answers are:
There are three passes
First is along inferior meatus
Second is to inspect superior meatus and sphenoethmoid recess
Third is to inspect the middle meatus
There are 4 passes
First pass is to examine middle meatus
Second pass is to examine the superior meatus
Third pass is the examine the inferior meatus
Second pass is to examine the superior meatus