Juvenile Detention

Hello Nurses...I have interview with the juvenile detention center for PER DIEM position and am nervous...any help and advice appreciated for common interview questions
My background: x 19.5 years of varied nursing experience and x 13 years of CHILD/ADOLESCENT/DEAF AND HEARING IMPAIRED PSYCH/GERO PSYCH/ YOUNG ADULT/ADULT psych...They have me bring my degress and certificates on day of interview.

My credit report is so so...been unemployed since my per diem job in OCCUPATIONAL HEALTH gone secondary to bankruptcy in company since Dec. 1 ....thanks so much for your help...my interview is this friday...got denied UNEMPLOYMENT from my last per diem job so realy nervous