The $50 exam fee is separate from the license fee and is nonrefundable. If you fail the exam twice, you must pay the exam fee again in order to retake the exam. Download the Home Improvement Examination Guide to help you prepare for the exam. Guide is available in other languages, see top of page.
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 chemicals in cigarette smoke are inhaled into the lungs and from there travel throughout the body, causing damage in numerous ways. 1  Nicotine reaches the brain in 7 to 10 seconds after smoke is inhaled. Nicotine has been found in every part of a smoker's body, including breast milk.