Peak absorption for nicotine from smoked cigarettes occurs after 7 minutes,whereas peak absorption for nicotine inhaling e-cigarette vapor occurs after 20 to 30 minutes.This suggests that:
A) the heating levels for lit cigarettes and e-cigarettes must be different.
B) e-cigarettes must have less nicotine content than real cigarettes.
C) nicotine absorption occurs mostly in the lungs for cigarette smoke and mucous membranes for e-cigarette vapor.
D) the puff duration of cigarettes must differ from e-cigarettes.

Question

Quizplus · Accepted Answer

The difference in peak absorption indicates that nicotine is absorbed differently from e-cigarette vapor compared to cigarette smoke. Nicotine absorption from cigarette smoke occurs mainly in the lungs, while nicotine absorption from e-cigarette vapor occurs in the mucous membranes. This could be due to differences in the way the smoke and vapor are delivered to the body.

Peak Absorption for Nicotine from Smoked Cigarettes Occurs After 7