Short interview for Methodist Hospital good or bad?

Had a short interview for unit clerk position at Methodist Hospital. It lasted approximately 10-15 minutes. They only asked me about 4 questions and told me about the position and what they were looking for. I didn't ask any questions because I just blanked and forgot the questions I had prepared. They said they would get back to me but it's a slow process and they might need to call me for a second interview. Has anyone experienced this before and still get a job offer? Should I just forget about this job and put it I the wont get a call back pile?
Good day I have had that sort of an interview an got the job but I guess it was because I've been working in the unit for 3 months under an agent so the unit maneger knew me n my capability...anything is possible don't give up yet could be because they had many interviews to do on that day.Good luck I hope u get the post.