Short answers to the two questions: "no" and "you can't."
Longer answers:
On it's own, Storyline doesn't have a way to randomly move a QB draw around a scene.
- I'd push back about the need to inject quiz questions "randomly" anyway. Just insert a question at points that seem appropriate. (It might actually reduce learning to interject something randomly, since it could disrupt the flow of the content.)
As for removing a given question from a QB: the program doesn't do that. Each draw is a unique pull from the QB.
- Why not just insert a question slide directly in the desired location? That ensures each question the user sees will be a different question. And, if you want to get fancy, you could use variables to track the answers and then re-route the user through different paths based on their answers. All without a QB.
- Again, I'd push back on the client's request. Are they afraid those who take the test first are going to share screenshots of the questions with other learners? If so, they've got far bigger issues in their company to deal with...
