Body systemsQuestion 1690 of 1700

What age-related changes affect the lungs?

  1. Chest muscles get stronger and airways widen
  2. Chest muscles weaken; airways can collapse
  3. The alveoli grow in number and size
  4. The bronchioles grow wider and stiffer
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Correct answer: Chest muscles weaken; airways can collapse

These changes make it harder to breathe in oxygen.

Source: Nursing Assistant (Reuter), 11.10: Respiratory System

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Questions last reviewed: 18 October 2026