Immunotherapy and Targeted Therapy · NCLEX Exam

Which statement best describes the primary mechanism of action of cancer immunotherapy?

  1. Directly killing cancer cells through DNA alkylation
  2. Enabling the immune system to recognise and attack cancer
  3. Preventing new blood-vessel growth in tumour tissue
  4. Replacing defective tumour-suppressor genes directly
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Correct answer: Enabling the immune system to recognise and attack cancer

Immunotherapy works by enhancing or enabling the immune system to detect and destroy cancer cells.

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