NURSING EXAM QUESTIONS
TOXICOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Since the 1970s, significant advances have been made in many areas, including chemical carcinogenesis and xenobiotic metabolism .
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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: -The first documented study determining the cause of cancer was made in 1775 when Percivall Pott noted an association between exposure to soot in chimney sweeps with scrotal cancer (Pott, 1775).
Detailed explanation-2: -Abstract. Most chemical carcinogens are not active in themselves but require bioactivation to electrophiles that bind covalently to DNA and often act by producing mutations. In recent years it has been realized that mutations can be important at many stages of carcinogenesis.
There is 1 question to complete.