Título De Especialista Em Geriatria (SBGG AMB) Practice Questions - Exame De Suficiência Para Obtenção Do Título De Especialista Em Geriatria (SBGG AMB) Exam

Which set of pulmonary changes is characteristic of normal respiratory senescence (senescência respiratória)?

Increased chest wall compliance, decreased residual volume, increased vital capacity, and heightened hypercapnic ventilatory drive. Decreased chest wall compliance (calcification of costochondral joints), loss of alveolar elastic recoil (senile emphysema), increased residual volume, and blunted hypoxic/hypercapnic ventilatory responses. Preservation of total lung capacity with marked increase in forced expiratory volume in 1 second (FEV1) and arterial PaO2. Complete atrophy of the respiratory mucociliary clearance system accompanied by resting respiratory acidosis in healthy older adults.

Correct Answer:

Decreased chest wall compliance (calcification of costochondral joints), loss of alveolar elastic recoil (senile emphysema), increased residual volume, and blunted hypoxic/hypercapnic ventilatory responses.

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