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.
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.Both qualitative and quantitative blood tests can be used to detect nicotine use. Either blood nicotine levels or its presence or absence can be determined. Nicotine, along with its derivatives cotinine and anabasine, can be used for these blood tests.t can be as short as 2 days, or as long as 3 months. Both qualitative and quantitative blood tests can be used to detect nicotine use. Either blood nicotine levels or its presence or absence can be determined. Nicotine, along with its derivatives cotinine and anabasine, can be used for these blood tests.