The schedule shows 'NS' for several yesterday appointments. What does 'NS' mean?

The term "new surgical" does not correspond to the abbreviation 'NS' and is not a standard abbreviation used in appointment scheduling. New surgical cases would typically be labeled differently, perhaps with terms like "NSX" or "N/S" to specify surgical contexts, making this option incorrect.

"Normal scheduling" does not align with the abbreviation 'NS' either. This phrase implies a routine or standard appointment setup, which would not be indicated by 'NS'. Instead, it would be more accurately described with terms that denote regular appointment types, making this choice incorrect.

While "needs supervision" could be a relevant term in some medical contexts, it is not represented by the abbreviation 'NS'. This phrase might imply that a patient requires assistance or oversight during their appointment, but it does not relate to the concept of a missed appointment, thus rendering this option incorrect.