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.
How long does nicotine stay in your saliva? Using a swab, a sample of saliva is obtained and then a test strip is placed in the saliva for 20 minutes at which time a result will be shown. Saliva testing can find traces of nicotine for two to four days after you have quit using tobacco or nicotine products. How long does nicotine stay in your blood? Nicotine can show up in your blood from 1 â 3 days after your last fix depending on how heavy a smoker or a dipper you are. Blood testing can include testing for cotinine, which will give an exact level of toxic nicotine remaining in the blood.