Quiz: Defenses Against Cancer
Question 1 of 2  

When cells become cancerous, new antigens—unfamiliar to the immune system—appear on the cell’s surface. These antigens are called tumor antigens. Which of the following may be the immune system’s response to tumor antigens?

  • A.

    Be destroyed by the tumor antigens

  • B.

    Regard them as foreign

  • C.

    Help the cancer cells grow

  • D.

    Not respond to the tumor antigens

Am I correct?