NU 606 Exam 4 Questions with Verified Answers| Latest 2024/2025 - Regis.

NU 606 Exam 4 Questions with Verified Answers - Regis. Senescence stage ️ 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 ️ decreased capacity to adapt to change potential causes of aging ️ 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 ️ damage nucleic acids and cells leading to cancer and other disease how does a slower metabolic rate effect the cells ️ mitosis slows down, decreased tissue repair what is menopause ️ 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 ️ alkaline, increased r/f infection what is BPH ️ 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 why is cancer of the prostate, uterine, and breast, more likely in older age ️ altered hormonal levels why are elderly increased risk for bruising and skin injury ️ dermis is thinner and subcutaneous tissue is diminished, fewer capillaries are present and cell proliferation is decreased, the numbers of sensory receptors in the skin and mucosa decline why are elderly people have dry and wrinkled skin ️ elastic fibers are reduced and collagen fibers become less flexible what interferes with cardiac muscle conduction and contraction ️ fatty tissue and collagen fibers accumulate in the heart with aging what can result in thickening of the arterial walls in aging ️ loss of elasticity and accumulation of collagen which limits expansion of the large arteries and arteriosclerosis what do degenerative changes in the vessels promote ️ accumulation of cholesterol and lipids in vessel walls what results in decreased bone bass and density ️ decreased deposition of new bone, decreased estrogen, decreased weight bearing activity, decreased intake of calcium, via. c and d at all ages, decreased intestinal absoprtion of calcium, decreased osteoblastic activity (especially if cortisol use) what dose of calcium and vit. d is encouraged in those older than fifty ️ 1500mg. calcium, 800mg vit. D