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I need a full detailed explanation for the answer choice I need to know why the answer is choice "A". An elderly patient...

I need a full detailed explanation for the answer choice I need to know why the answer is choice "A". An elderly patient presents with difficulty breathing. Which of the following is not considered a normal alteration with aging, and why? A)relaxation of chest wall muscles B) Increased resistance C) Alterations in gas exchange D) loss of recoil

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Answer #1

The normal alterations of aging in respiratory system are:
• Decrease in peak airflow and gas exchange
• Decrease in measures of lung function
• Weakening of the respiratory muscles
• Decline in the effectiveness of lung defence mechanisms
• Loss of lung recoil
• Stiffening of the chest wall
• Diminished alveolar surface
• Increased resistance
Thus Answer is option A. Due to aging there is stiffening of lung muscles and not relaxation.

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