NURSING EXAM QUESTIONS
TOXICOLOGY
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Arsenic
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Radon
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Asbestos
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Carbon Monoxide
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Detailed explanation-1: -How likely is carbon monoxide to cause cancer? The Department of Health and Human Services (DHHS), the Environmental Protection Agency (EPA), and the International Agency for Research on Cancer (IARC) have not classified carbon monoxide as a human cancer-causing substance.
Detailed explanation-2: -The majority of substances IARC has evaluated-a full 501 of them-fall under Group 3, meaning they just can’t be classified as to their abilities to cause cancer in humans. These substances include caffeine, isopropyl alcohol (not what you drink), and diazepam, the generic name for Valium.
Detailed explanation-3: -Other cocarcinogens present in tobacco smoke include methylcatechols, pyrogallol, decane, undecane, pyrene, benzo[e]pyrene, and fluoranthene (Hecht et al. 1981; Hoffmann and Wynder 1971; van Duuren and Goldschmidt 1976; Wynder and Hoffmann 1967).
Detailed explanation-4: -The Department of Health and Human Services (DHHS), the International Agency for Research on Cancer (IARC), and the EPA have not classified carbon monoxide for human carcinogenicity.