What Was the Initial Explanation for the Sensitivity of Cancer

Multiple Choice

What was the initial explanation for the sensitivity of cancer cells to radiation therapy and chemotherapy as compared to normal cells?

A) Cancer cells are sensitive to radiation and chemotherapy because they divide more rapidly.
B) Cancer cells are sensitive to radiation and chemotherapy because once they sustain genetic damage, they continue through the cell cycle while repair is incomplete and that triggers metastasis.
C) Cancer cells are sensitive to radiation and chemotherapy because they divide more slowly.
D) Cancer cells are sensitive to radiation and chemotherapy because they will not undergo apoptosis.