Which of the following describes normal changes in the respiratory system of the older adult?

Question

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In the aging adult,the lungs are less elastic and distensible,decreasing their ability to collapse and recoil.There is a decreased vital capacity and loss of intra-alveolar septa,resulting in less surface area for gas exchange.The lung bases become less ventilated,and the older adult is at risk for mild dyspnea with exertion;severe dyspnea,however,would suggest the possibility of pathology.

Which of the Following Describes Normal Changes in the Respiratory