RNSG 1443 Cancer questions with answers

RNSG 1443 CancerDecreased immune function (surveillance), increased life-time risk of exposure to carcinogens, accumulation of free radicals leading to cell damage - correct answer why does aging increase the risk of cancer? Carcinogens - correct answer cancer causing agents; can be genotoxic (cause irreversible genetic change in cells); can act as promoters Dysplasia - correct answer abnormal cell size, shape, appearance, or arrangement Anaplasia - correct answer Regression of a cell to an immature or undifferentiated Differentiation - correct answer specialization of cell function Apoptosis - correct answer programmed cell death rate Initiation - correct answer irreversible cell mutation that creates a potential cancer; first stage of cancer development Promotion - correct answer continuing cell mutations that result in the change from potential to actual cancer cells; second stage of cancer development Progression - correct answer Increased tumor growth, invasiveness and metastasis; fourth stage of cancer development Doubling time - correct answer Amount of time it takes for a tumor to double in size Tumor angiogenesis - correct answer Development of an independent blood supply to the tumor