The nurse is teaching a patient who will begin receiving targeted therapy for cancer. The patient asks how targeted therapy differs from other types of chemotherapies. The nurse will explain that targeted therapy
a. damages cancer cell DNA to prevent cell replication.
b. directly kills or damages cancerous cells.
c. interferes with specific molecules in cancer cells.
d. prevents metastasis of cancer cells.
ANS: C
Targeted therapy differs from traditional cancer chemotherapy by taking advantage of biologic features particular to cancer cells and targeting specific mechanisms. They block the growth and spread of cancer by interfering with specific molecules within the cancer cells. Traditional chemotherapeutic agents damage cell DNA of cancer cells as well as normal cells. Targeted therapies do not directly kill or damage cancer cells or prevent metastasis.
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