NUR 2214 Nursing Care of Older Adult Module 2 Theories and Terms What do the biological theories of aging do? - CORRECT ANSWER Help nurses understand older adult changes, behaviors, and to recognize problems and provide interventions over time. Not just one theories explains it, must be supported with evidence over time.What is the free radical theory? - CORRECT ANSWER The idea that molecules that are harmful to the human body that are unstable move around the body, causing harm to living cells. This can disrupt metabolism and cell processes, leading to disease.How does the free radical theory work? - CORRECT ANSWER During normal cell molecule formation, electrons are shared with each other, but from aging or damage to cell DNA from over exposure to radiation and pollution, the molecule splits and does not pair with an electron, causing a free radical to be formed and that can harm cells. 1 / 2
What types of diseases does the free radical theory propose when these cells travel in the body with aging? - CORRECT ANSWER cancers, diabetes, arthritis, atherosclerosis What can be taken to neutralize free radicals? - CORRECT ANSWER antioxidants- in the form of food, vitamins. they help to donate electrons from stale atoms What is the cross linkage theory? - CORRECT ANSWER when free radicals interact or connect with cell molecules and connective tissue that causes tissues to be damaged and unable be repaired. when it is damaged, this can lead to disease and function problems in older adults What is connective tissue? - CORRECT ANSWER matrix that provides support, binds tissues in the body such as organs, muscles, bones and joints, adipose tissues, cartilage, blood and lymph.What happens when free radical cells destroy connective tissue in older adults? - CORRECT ANSWER Diseases and functional issues
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