APHON Chemo Course Exam Study Guide with Complete Solutions

APHON Chemo Course Exam Study Guide with Complete Solutions apoptosis - Correct Answer natural cell death necrosis - Correct Answer cell death that results from an insult, such as a lack of blood supply, physical trauma, or cytotoxic therapy that leads to rupture of the cell membrane and spilling of cell contents malignant cells - Correct Answer cells that do not have a finite number of cell divisions as normal cells do; lost the ability to undergo apoptosis; can keep replicating and dividing indefinitely aberrant cell division - Correct Answer the primary characteristic of malignant cells tumor suppression genes - Correct Answer these keep normal cellular growth in check by regulating cell division, DNA repair, and apoptosis; if damaged or absent, cells lack the appropriate growth-inhibiting signals and grow out of control nadir - Correct Answer the period of time after a course of chemotherapy in which the patients blood counts are lowest physical barrier - Correct Answer the first layer of defense that provides protective immunity through anatomic barriers; ex. skin, mucous membranes innate passive immunity - Correct Answer the second layer of defense that provides rapid, nonspecific response to invading pathogens adaptive acquired immunity - Correct Answer the third layer of defense tumor marker - Correct Answer a characteristic feature or byproduct of a tumor cell that serves as a useful indication of tumor cell origin or tumor activity