CELL STRUCTURES AND FUNCTION
CELL DIVISION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following factors cause cancer cells to spread into other tissues?I. Certain chemical compound like tar in tobacco smokeII. Carcinogenic compounds such as formaldehydeIII. Radiation from X-rays, ultraviolet rays and gamma rays.IV. Uncontrolled mitosis in the cell cycle
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I and II only
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III and IV only
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I, III and IV only
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I, II, III and IV
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Explanation:
Detailed explanation-1: -Leading risk factors for preventable cancers are smoking, getting too much ultraviolet (UV) radiation from the sun or tanning beds, being overweight or having obesity, and drinking too much alcohol.
Detailed explanation-2: -Certain chemicals, including benzene, beryllium, asbestos, vinyl chloride and arsenic, are known human carcinogens, meaning they have been found to cause cancer in humans.
Detailed explanation-3: -cancer cases are caused by smoking. cancer deaths are caused by smoking. Every time a person takes a puff of a cigarette, 7000 chemicals enter into the lungs and spread to other parts of the body. There are 69 different chemicals in a cigarette that are known to cause cancer (carcinogens).
There is 1 question to complete.