Are these easy to cheat? I've found that most diagnoses are easy to produce by first reading the DSM-V criteria and then matching them appropriately to questions asked by doctors. In this case, however, you're trying to avoid diagnosis, which is a slightly different game and seems harder to fake.

These appear to be what they're looking for https://www.ecfr.gov/current/title-14/chapter-I/subchapter-D...

If you're getting your Adderall not from prescription, they're not going to know till you tell them, but I wonder if they try anything interesting to find you out. I know at least one person who flew but used Adderall daily for work which means that this sort of thing isn't super rigorous.