Which of the Following Is an Age-Related Change in the Chest

question 5

Multiple Choice

Which of the following is an age-related change in the chest wall?

• A)The joints of the thorax become more rigid,and cartilage becomes calcified.
• B)The diaphragm becomes more flexible,resulting in less force during inhalation.
• C)Arterial oxygen tension and saturation decrease.
• D)Recumbent position increasingly improves pulmonary capacity by expanding chest wall.

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