NURSING EXAM QUESTIONS
TOXICOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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route of exposure
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frequency of dose
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individual health status
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all of the above
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Detailed explanation-1: -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-2: -A toxic injury is caused when one comes in contact with any toxin. However, some causes are still unknown or extremely uncommon. Generally, there are two different categories in which a toxic injury may fall into. An injury due to an environmental toxin, or an injury due to chemical exposure.
Detailed explanation-3: -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.