Hey,
I've used the test bank once and it was somewhat useful since having practice questions is always helpful, but whether or not the tests are a good representation of the current curriculum depends on if there are any recent tests. I don't think they carry exams, but you can get some electronic exams from the thode website although the selection is quite limited.
The link below will show you which tests (and year) are availible in the test bank:
http://www.mac-sci.com/testbank.htm
Hope that helps!