The Addicting Agent in Tobacco Is
The addicting agent in tobacco is: A) Nicotine B) Caffeine C) Tar D) None of the above
Nicotine stimulates A) muscarinic receptors, which are associated with decreased pain perception. B) nicotinic receptors, which in turn stimulate dopamine receptors. C) dopamine receptors directly. D) serotonin receptors.
Benowitz (2008) reported that nicotine influences brain receptors to facilitate which the release of _____ neurotransmitter, and thus producing _____? A) dopamine; stimulation and pleasure B) GABA; mood modulation C) endorphins; stimulation and pleasure D) all of the above
Which of the following best describes the health consequences of cigarette smoking? A) Smoking causes more than 100,000 deaths annually in Canada B) Smoking is responsible for 1 in every 3 deaths in the United States C) Smoking is the most preventable cause of premature death D) 5-10 years after quitting, health risks still remain at the same extremely elevated levels relative to non-smokers