NURSING EXAM QUESTIONS
TOXICOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What contributes to toxic effects?
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there is a molecular site (or receptor) with which the chemical interacts to produce a response
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production of response is related to the concentration of the compound at the active site
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the concentration of the compound at the active site is related to the dose administered
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all of the above
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Explanation:
Detailed explanation-1: -It is recognized that virtually all toxic effects are caused by changes in specific cellular molecules and biochemicals. Xenobiotic is the general term that is used for a foreign substance taken into the body.
Detailed explanation-2: -Toxicity of chemicals is greatly affected by various factors pertaining to their exposures to the organisms. Some of the important factors related to exposures are: (i) exposure routes, (ii) exposure duration, and (iii) exposure systems.
Detailed explanation-3: -specific toxicant. concentration of toxicant. form of toxicant. interactions between toxicants. duration of exposure. species of organism. age or life stage. genetics.
There is 1 question to complete.