NURSING EXAM QUESTIONS
TOXICOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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All substances (agents) are toxic. The degree and type of toxicity differ from one agent to another
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True
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False
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Either A or B
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None of the above
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Explanation:
Detailed explanation-1: -There are generally five types of toxicities; chemical, biological, physical, radioactive and behavioural. Disease-causing microorganisms and parasites are toxic in a broad sense but are generally called pathogens rather than toxicants.
Detailed explanation-2: -The two types of toxicity are acute and chronic. Acute toxicity of a pesticide refers to the chemical’s ability to cause injury to a person or animal from a single exposure, generally of short duration. The four routes of exposure are dermal (skin), inhalation (lungs), oral (mouth), and eyes.
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