An oncology patient will begin a course of chemotherapy and radiation therapy for the treatment of bone metastases. What is one means by which malignant disease processes transfer cells from one place to another?
A) Adhering to primary tumor cells
B) Inducing mutation of cells of another organ
C) Phagocytizing healthy cells
D) Invading healthy host tissues
Ans: D
Feedback:
Invasion, which refers to the growth of the primary tumor into the surrounding host tissues, occurs in several ways. Malignant cells are less likely to adhere than are normal cells. Malignant cells do not cause healthy cells to mutate. Malignant cells do not eat other cells.
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