iOS: Best practices for a “one-way” navigation controller?

Question

I\'m developing an app which is essentially a sequence of many different tests (for simplicity, think about an SAT test or a Mensa test). Each test is implemented in a diffe

Answer 1

Then just load the next view controller and replace current view (in some top-level view or in app window) with the new one. Add animations if you want. What's the problem?