What may induce cancer?

What may induce cancer?

• A. Chronic irritation
• B. Drugs
• C. Viruses
• D. All of the above

Answer: (D)

Cancer can be induced by a variety of factors, including chronic irritation, certain drugs, and infections with oncogenic viruses. Chronic irritation or long-lasting inflammation keeps cells dividing and can create a setting where DNA damage accumulates, increasing the chance of mutations that lead to cancer. Some drugs or chemical exposures are mutagenic or carcinogenic, so prolonged or high-dose exposure can initiate tumor development. Viruses can contribute by inserting genetic material into the host cells, activating oncogenes or disabling tumor suppressor mechanisms, which disrupts normal cell growth control and can initiate cancer. Because each of these pathways can contribute to cancer, all of the above is a correct way to recognize factors that may induce cancer.

Cancer can be induced by a variety of factors, including chronic irritation, certain drugs, and infections with oncogenic viruses. Chronic irritation or long-lasting inflammation keeps cells dividing and can create a setting where DNA damage accumulates, increasing the chance of mutations that lead to cancer. Some drugs or chemical exposures are mutagenic or carcinogenic, so prolonged or high-dose exposure can initiate tumor development. Viruses can contribute by inserting genetic material into the host cells, activating oncogenes or disabling tumor suppressor mechanisms, which disrupts normal cell growth control and can initiate cancer. Because each of these pathways can contribute to cancer, all of the above is a correct way to recognize factors that may induce cancer.