A nurse is teaching a community health class about the causes of cancer. Which statement will the nurse include when teaching about the formation of cancer?
A) "When cellular death is altered, cancer may occur."
B) "When cells do not divide enough, a tumor may form."
C) "Tumors form when enzymes cause the uncontrolled destruction of cell components."
D) "When cellular contents leak out through altered cell walls, cancer may occur."
A) "When cellular death is altered, cancer may occur."
Explanation: A) Apoptosis is also referred to as programmed cell death, and the interference of this process contributes to carcinogenesis, the formation of cancer.
B) Replicative senescence refers to the limited number of times a cell can divide. Replicative senescence protects the cell from cancer, it does not cause it.
C) Necrosis is the unregulated enzymatic destruction of cell components, which leads to cell death through a different process than apoptosis.
D) Inflammation refers to cellular contents leaking out through the cell's damaged plasma membrane.
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