mdcat logical reasoning MCQ #147

Smoking leads to lung cancer. What is the primary carcinogenic mechanism?

mdcat logical reasoning MCQ #147

  1. Question 1

    Q1. Smoking leads to lung cancer. What is the primary carcinogenic mechanism?

    • A) DNA damage from tobacco chemicals
    • B) Chronic inflammation
    • C) Immune system suppression
    • D) Epigenetic changes

    Answer: DNA damage from tobacco chemicals

    Explanation: Tobacco chemicals directly damage DNA; chronic inflammation is a contributing factor but not primary.