nur 239 exam with accurate solutions and a grade of A+

atrophy - ANScells get smaller atrophy causes - ANSischemia, lack of use/nutrition, aging hypertrophy - ANScells get bigger hypertrophy causes - ANSincreased workload commonly seen in heart in response to high BP or muscles in response to more work compensatory hypertrophy - ANSwhen one organ will pull the weight for an organ that's been removed hyperplasia - ANSincrease in number of cells Where does hyperplasia occur? - ANScells capable of mitotic division skin, inest epithelium, glandular tissue nonphysiologic hyperplasia - ANSincrease in number of cells not from natural hormone or compensation, example would be skin warts physiologic hyperplasia - ANShormonal (pregnancy) and compensatory (partial removal of organ) metaplasia - ANSchanging from one type of mature tissue to another metaplasia causes - ANSusually chronic irritation/inflammation displasia - ANSabnormal changes in the size, shape, and organization of mature cells Can displasia be reversed? - ANSyes, if stimulus removed Which adaptive cell change could be a precurser to cancerous cells? - ANSdisplasia Which type of cells regenerate? - ANSepithelial Can Cardiac tissue regenerate? - ANSno, it scars and dies Can nervous tissue regenerate? - ANSnoperoo