NURSING EXAM QUESTIONS
TOXICOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A poisonous substance naturally produced by certain plants, animals, and bacteria that is capable of causing disease or death in humans; a subgroup of poisons
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Dose
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Toxicity
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Poison
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Toxin
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Explanation:
Detailed explanation-1: -A toxin is any poisonous substance of microbial (bacteria or other tiny plants or animals), vegetable, or synthetic chemical origin that reacts with specific cellular components to kill cells, alter growth or development, or kill the organism.
Detailed explanation-2: -A toxin is a poisonous substance produced within living cells or organisms.
Detailed explanation-3: -Toxins from Bacteria Anthrax lethal toxin is produced by Bacillus anthracis. The anthrax toxin proteins, including anthrax lethal factor, work together to disrupt a cell’s defense system. Botulinum toxin, produced by Clostridium botulinum, is one of the most poisonous substance known.
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