NU 606 Exam 4, chapters 18, 19, 24 Test Questions with Correct Solutions Edition.

Senescence stage - Answer Last stage of the life cycle, old age to death, which requires the individual to cope with a large range of changes along with changes on the cellular and organ level, what is gaining characterized - Answer decreased capacity to adapt to change potential causes of aging - Answer 1-predetermined apoptosis 2-cellular damage resulting from accumulated wastes and altered protein or lipid components 3-wear and tear 4-increased degenerative changes in collagen and elastin 5-random errors in cell mitosis 6-free radicals (peroxides) 7-latent virus' 8-increased autoimmune reactions what are free radicals known to do - Answer damage nucleic acids and cells leading to cancer and other disease how does a slower metabolic rate effect the cells - Answer mitosis slows down, decreased tissue repair what is menopause - Answer ovaries cease to produce estrogen and progesterone, which raises follicle-stimulating hormone and luteinizing hormone (biofeedback mechanisms), and ultimately the ovaries cease to respond to FSH and LH what happens to vaginal ph as women age past menopause - Answer alkaline, increased r/f infection what is BPH - Answer benign prostatic hypertrophy, central part of the gland around the uretthra hypertrophies, resulting in some degree of obstruction of the urethra. , surgery if urinary flow impaired