A nurse is caring for an older adult client in a long-term care facility. What is the nurse's understanding of replicative senescence?
A) It refers to the brain's ability to recall memories.
B) It is the limitation of the number of times a cell can divide.
C) It is the body's ability to repair cells damaged by reactive oxygen species (ROS).
D) It is caused by decreased caloric intake.
B) It is the limitation of the number of times a cell can divide.
Explanation: A) Replicative senescence is not defined by the brain's ability to recall memories or decreased caloric intake.
B) Replicative senescence refers to the limitation of the number of times the body's cells can divide.
C) Replicative senescence refers to the limitation of the number of times the body's cells can divide. The damage caused by reactive oxygen species (ROS) is counteracted by antioxidants, and is not directly related to the concept of replicative senescence. Replicative senescence is not defined by the brain's ability to recall memories or decreased caloric intake.
D) Replicative senescence is not defined by the brain's ability to recall memories or decreased caloric intake.
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