NURSING EXAM QUESTIONS
TOXICOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Chemical mutagens are substances that cause ____, or mutations, in the DNA of an organism.
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rashes
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hives
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genetic changes
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improper concentrations
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Explanation:
Detailed explanation-1: -Mutagens are substances that alter or change the genetic material of an organism, hence they are termed genotoxic. In most cases, the mutagens can incite carcinogenic responses or impair the functions of certain genes.
Detailed explanation-2: -Chemical mutagens are naturally occurring or synthetic chemicals that can cause mutation. Carcinogens are biological, physical, or chemical agents that increase the risk for cancer. Base analogs are mutagens that are incorporated into DNA in place of normal bases causing mutations.
Detailed explanation-3: -Carcinogens. Ethylene Dichlorides. Flame Retardants. Hair Dyes. Hydrocarbons, Halogenated. Mutagens. Furylfuramide. Ethylene Dibromide. DNA.
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