UTA Family 2 Final with 100% correct answers(verified for accuracy)

Osteoporosis -porous bone -decreased bone density and structural integrity of trabecular bone impaired -chronic -old bone is reabsorbed faster than new bone is made -peak bone mass occurs around age 30 2 types osteoporosis -postmenopausal (primary) -other causes (secondary) Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:00 / 0:15 Full screen Brainpower Read More Secondary causes include: -hormonal imbalances (DM, endocrine disease) -meds (heparin, corticosteroids, pheytoin, barbiturates, lithium) -tobacco/ETOH -RA -HIV -malignancies -malabsorption syndromes -liver or kidney disease WHO defines osteoporosis based on bone density: 1-normal bone mass >833mg/cm2 2-osteopenia bone mass 648-833mg/cm2 3-osteoporosis bone mass <648mg/cm2 Major risk for people with osteoporosis: -fractures -hip fractures lead to decreased quality of life and decreased life expectancy -vertebral fractures most common but may be asymptomatic Dual x-ray absorptiometry (DXA) -measures bone mineral density (BMD) -most common measuring method postmenopausal osteoporosis -middle-aged and older women -can be from estrogen deficiency and estrogen independent age-related mechanisms postmenopausal changes include: -increase in bone turnover -imbalance in osteoblasts and osteoclasts -