Invalidate Module - Reversible?

I'm using the action Invalidate Module to create a course with multiple possible endings.  In module 1, the learner makes a selection which then invalidates either module 2 or module 2. However, one of the requirements is that learners can change their minds and choose another ending/path at any point before completing the course.  If I simply return the learner to the page where they take the action (click a button) that triggers Invalidate Module, does that refresh the selection?  Or does the prior selection remain active as long as they're in the middle of the course attempt/session?  We run an LRS and use xAPI, in cas that makes any difference to the answer.