Which of the following is a factor increasing cancer risk?

Question

BlackTom AI · Accepted Answer

The question asks to identify a factor that increases cancer risk and provides four answer options to evaluate.
Option 1: Tobacco smoking. Smoking is a well-established carcinogen linked to cancers of the lung, throat, mouth, esophagus, bladder, and several others. It is a direct, well-supported risk factor.
Option 2: UV radiation. Exposure to ultraviolet radiation from the sun or tanning beds increases the risk of skin cancers, including melanoma and non-melanoma types, making this option a valid risk factor.
Option 3: Infections. Certain infections are associated with cancer development; for example, human papillomavirus (HPV) is linked to cervical and other cancers, Helicobacter pylori has associations with gastric cancer, and hepatitis viruses can lead to liver cancer. This option is also a recognized risk factor.
Option 4: All of the answer choices. Since tobacco smoking, UV radiation, and infections each contribute to cancer risk, combining them as "All of the answer choices" accurately encompasses the known risk factors presented here.
In sum, each of the first three options identifies a credible cancer risk factor, and the final option correctly states that all of them contribute to cancer risk.

Which of the following is a factor increasing cancer risk?单项选择题

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