Pathology Quiz #21: Carcinogens

1. A 52-year-old man with a 30-year history of smoking presents to his primary care physician for a routine check-up. He is asymptomatic but concerned about his risk for lung cancer. Smoking is most closely associated with the activation of which type of carcinogen in the pathogenesis of lung cancer? 

Question 1 of 4

2. A 45-year-old woman is diagnosed with hepatocellular carcinoma. Upon further investigation, it is revealed that she has been exposed to aflatoxin B1 due to the consumption of improperly stored grains. Aflatoxin B1 exposure is most likely to cause a mutation in which of the following genes? 

Question 2 of 4

3. During a public health lecture, a discussion arises about occupational hazards and cancer risk. Exposure to which of the following agents is most strongly associated with mesothelioma?

Question 3 of 4

4. A research scientist is studying skin cancer and the effects of various environmental factors on its development. Which of the following is considered the most significant environmental risk factor for the development of melanoma?

Question 4 of 4


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