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.
Nicotine Drug Test. In order to know the fact as to how long nicotine stays in your system, you need to remember the duration of smoking and the number of cigarettes smoked per day. Usually nicotine persists in the body for 2-4 days but in some cases it may also last for a few months.However, in the case of passive smoking the nicotine remains in the body for a long time. The presence of nicotine is usually detected in the urine, blood, and hair follicle through medical tests.lood Test for Nicotine. The answer to the question as to how long does nicotine stay in your blood rests on the fact that it gets transformed into a metabolite called cotinine which mixes in the blood and affects the body.