NURSING EXAM QUESTIONS
TOXICOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Something, like PCBs, that causes cancer is called a
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mutagen
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pathogen
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carcinogen
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teratogen
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Explanation:
Detailed explanation-1: -These chemicals are reasonably anticipated to cause cancer in humans and are sometimes called possible human carcinogens. Chloroform, DDT, formaldehyde, and polychlorinated biphenyls (PCBs) are examples of possible human carcinogens.
Detailed explanation-2: -Any substance that causes cancer is known as a carcinogen.
Detailed explanation-3: -Summary: Polychlorinated biphenyls are mixtures of up to 209 individual chlorinated compounds (known as congeners). There are no known natural sources of PCBs. PCBs are either oily liquids or solids that are colorless to light yellow. Some PCBs can exist as a vapor in air.
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