It's hard to say because it depends how much you've been smoking up to that point. If you've been smoking every day then probably not, but start pounding fluids and shit. You could also always try the way I mentioned in some post on here, however it is only what I've heard and
I can't attest to its success:
Mix sure gel (the thing used to make jams/jellys) with a 32 fl oz Gatorade
Chug/drink fast, refill two more times with just water and chug that.
On your third piss after that you'll supposedly piss clean.
Good luck dude, fuck a whiz quiz