NURSING EXAM QUESTIONS
TOXICOLOGY
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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risk
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hazardous
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exposure
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toxic
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Detailed explanation-1: -Toxicity can be defined as the relative ability of a substance to cause adverse effects in living organisms. This “relative ability is dependent upon several conditions. As Paracelsus suggests, the quantity or the dose of the substance determines whether the effects of the chemical are toxic, nontoxic or beneficial.
Detailed explanation-2: -Toxicity is the ability of a chemical substance to cause harm. Hazard is the likelihood that a material will cause harm under the conditions of use. Thus, with proper handling, even highly toxic chemicals can be used safely. Conversely, less toxic chemicals can be extremely hazardous if handled improperly.
Detailed explanation-3: -Chemical agents that have the potential to cause harm to human health or physical harm are referred to as hazardous chemical agents.
Detailed explanation-4: -A chemical hazard is any substance that can cause a health problem when ingested or inhaled. They include toxins, dangerous chemicals, residue of excess chemicals used in processing food products. If your facility follows Good Manufacturing Practices (GMPs), you can prevent chemical hazards.