Board Thread:Spoilers!/@comment-4877635-20150304180627/@comment-25361971-20150428072827

Utter solitude wrote: I'm sure it's another background appearance like her last one. She is a nurse, after all XD

Seems we'll be seeing another psychiatric patient, as she is the psychiatric nurse. It's probably Zelena who's the patient as she is coo coo for cocoa puffs after all. They wouldn't have her in the holding cell as she could escape.