Which substances cause cancer when administered to an organism?

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Study for the PMT 103A Industrial Hygiene Test. Get ready with flashcards, multiple choice questions, hints, and explanations to excel in your exam!

Multiple Choice

Which substances cause cancer when administered to an organism?

Explanation:
Carcinogenicity is the key idea here: substances that can cause cancer when introduced into a living organism are carcinogens. Carcinogens can initiate mutations or disrupt cellular regulation, sometimes needing metabolic activation to become reactive. The result is increased risk of malignant transformation and tumor development, influenced by how much, how long, and how a person is exposed, as well as species differences. This is distinct from teratogens, which mainly cause birth defects; nephrotoxins, which damage kidneys; and hepatotoxins, which damage the liver. So, substances that cause cancer are carcinogenic substances.

Carcinogenicity is the key idea here: substances that can cause cancer when introduced into a living organism are carcinogens. Carcinogens can initiate mutations or disrupt cellular regulation, sometimes needing metabolic activation to become reactive. The result is increased risk of malignant transformation and tumor development, influenced by how much, how long, and how a person is exposed, as well as species differences. This is distinct from teratogens, which mainly cause birth defects; nephrotoxins, which damage kidneys; and hepatotoxins, which damage the liver. So, substances that cause cancer are carcinogenic substances.

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