Is carbon monoxide found in tobacco smoke?
CO is not added to tobacco but is formed when tobacco is burned incompletely. This happens when there is too little oxygen present to convert all of the carbon in the tobacco into harmless carbon dioxide. Cigarette smoke can contain large quantities of CO. Water pipes are also a major source of exposure to CO.
Which of the following substances is found in tobacco smoke?
Some of the chemicals found in tobacco smoke include: Nicotine (the addictive drug that produces the effects in the brain that people are looking for) Hydrogen cyanide. Formaldehyde.
Which of the following substances found in tobacco smoke stimulates the brain?
Nicotine acts in the brain by stimulating the adrenal glands to release the hormone epinephrine (adrenaline) and by increasing levels of the chemical messenger dopamine.
What is carbon monoxide in cigarettes?
Carbon monoxide (CO) is produced from incomplete combustion of hydrocarbons and is a by-product of tobacco smoking. Chronic cigarette smokers often have carboxyhemoglobin (COHb) concentrations as high as 10%. Waterpipe smokers have been found to have COHb levels as high as 39.2% after smoking.