Oncogenesis and Tumor Cell Biology · NCLEX Exam

Which of the following describes the role of the immune system in oncogenesis?

  1. It directly stimulates tumor cell growth
  2. It clears mutated cells via immune surveillance
  3. It actively mutates proto-oncogenes
  4. It increases tumor blood vessel formation
Show answer and explanation

Correct answer: It clears mutated cells via immune surveillance

The immune system detects and destroys abnormal cells; failure in surveillance allows cancerous cells to proliferate.

Difficulty: Hard Question 19 of 20

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