No unless your level is over a 50, and if it is then your lieing on the question and that your a smoker, stupid.
1 hit shouldn't show on you but depend on your body 20-45 days
24-48 hours with lots of fluid and lots of peeing
Since you haven't had THC build up in your system, you should be clear. Some people have it in their systems longer than others, it depends on how fast your metabolic rate is. Drink lots of juice and stimulate your kidneys with something that contains caffeine, it helps flush them along. Good Luck.