NU 606 Exam 4 Chapters 18, 19, 24 Exam with All Correct Answers
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NU 606
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NU 606
NU 606 Exam 4 Chapters 18, 19, 24 Exam with All Correct Answers
what results in decreased height and kyphosis - Answer- spontaneous vertebral fractures
What is Dowager's hump? - Answer- Advanced osteoporosis of the spine, increased kyphosis, can develop vertebral fractures and spinal hump.
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NU 606 Exam 4 Chapters 18, 19, 24
Exam with All Correct Answers
what results in decreased height and kyphosis - Answer- spontaneous vertebral
fractures
What is Dowager's hump? - Answer- Advanced osteoporosis of the spine, increased
kyphosis, can develop vertebral fractures and spinal hump.
what happens to fibrocartilage in the intervertebral discs with age - Answer-
degenerates with age causing herniation in old age
why is cough impaired in old age - Answer- weakening skeletal muscles, costal cartilage
calcifies, elasticity is reduced
which occurs more frequently in uncomplicated aging, decreased oxygen or increased
co2 - Answer- decreased oxygen, due to reduced gas exchange in the alveoli caused
by vascular degeneration
why doesn't natural reduction in brain mass cause cognitive function to decrease in
many individuals? - Answer- there is considerable reserve of neurons
what are some degenerative changes in neurons - Answer- lipid accumulations in the
neurons, loss of myelin sheath, development of abnormal neurofibrils and plaques in the
cell. vascular impairment due to arterioscerosis
why is night vision impaired in elderly - Answer- the lens becomes yellow and less
transparent which impacts color perception especially blue hues as well as night vision.
eventually cataracts may develop causing the lens to become opaque
what can atrophy of the mucosa glands and digestive tract cause in aging - Answer-
reduced digestive secretions and absorption of nutrients. example is b12, calcium, and
iron, also less mucosa can cause peptic ulcer development
why is kidney function reduced in aging - Answer- loss of glomeruli and degeneration of
the tubules and blood vessels, cannot compensate as quickly to electrolyte and acid
levels and drug excretion
why is immune response impacted even though elderly people have a larger pool of
antibodies - Answer- because the lymphocytes are slower to respond, and less active
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