I haven't taken the one for Pima, but the Apollo one you only take math, vocab, and reading. You also have to take another entrance test called the Cpat test. Its like a general test before the Hesi, but it is pretty simple.
I think you have to go to the seminar before they give you any info on the test. Same as apollo, I had to go to an info seminar and was scheduled for the Pima one, but cancelled because of the distance.