The admissions specialist quit along with the administrative assistant and about 8 professors. They have replaced the admissions specialist, but it will likely take her some time to acclimate to the position. Especially since she is also responsible for the credentialing of current students. I would expect notification delays
The transition course is not mandatory.
From Tampa, your closest campus is either Orlando or Ocala. Go with Orlando.
CCRN and GRE are required for your application to even be reviewed by admissions committee.