Cortana may refer to: 1  Cortana (software), Microsoft personal assistant software. 2  Cortana (Halo), a fictional artificial intelligence character. 3  Cortana (gastropod), a gastropod genus.  Cortana, or Curtana, a ceremonial sword used in the coronation of British 1  monarchs. Cortana Mall, Baton Rouge, Louisiana,  USA.
The length of time that nicotine stays in the body and cotinine can be a reliable indicator of nicotine use depends on the amount of tobacco smoked, the number of years smoking tobacco, and the type of nicotine test performed. It can be as short as 2 days, or as long as 3 months.
Blood Test. Testing for nicotine shows that nicotine is detectable for 1 to 3 days. It is common to test for cotinine instead of nicotine, as cotinine is detectable in the system for up to 10 days after nicotine has been removed from your system.hen smoking only occasionally or you have a limited nicotine intake, the nicotine should be cleared out in 3 to 4 days. If you are a regular smoker, it may take 1-2 weeks; if you are a long time heavy smoker, it may take more than 20 days for a clean urinalysis test.