NCLEX-RN

Category - Health Promotion

Which of the following is the most common cause of lung cancer?
  1. airway atrisia.
  2. hepatitis A.
  3. cigarette smoking.
  4. congenital defects.
Explanation
Answer: C- Lung cancer is a malignant tumor of lung tissue. Causes are cigarette smoking, air pollution, arsenic, asbestos, and radioactive dust.
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