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.
Cotinine is usually detected in the blood tests for 1 to 3 days after last use of products containing nicotine like snuff, cigarettes, nicotine gum or patches, etc. This detection time frame can differ as per the intensity of nicotine use, the personâs age, and other factors as discussed above.hus, it is quite difficult to assign a limit to the amount of time that this alkaloid can be detected in the system. Some tests can detect the component for up to ten days, while other tests can detect cotinine presence in the system for nearly 90 days or more.