Question

exam lesson name: the human body
exam number: 700946rr
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question 17 of 20 :
select the best answer for the question.

1. which respiratory condition below correctly describes what happens during pneumonia?

○ a. the airways restrict in response to an invader.
○ b. the airways become swollen and inflamed.
○ c. the alveoli become damaged and enlarged.
○ d. the alveoli in the lungs fill with fluid.

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Explanation:

To solve this, we analyze each option:

• Option A: Airway restriction in response to an invader is typical of asthma, not pneumonia.
• Option B: Swollen and inflamed airways are characteristic of bronchitis, not pneumonia.
• Option C: Damaged and enlarged alveoli are related to emphysema, not pneumonia.
• Option D: Pneumonia is an infection where the alveoli (tiny air sacs in the lungs) fill with fluid (like pus or mucus), which matches the definition of pneumonia.

Answer:

D. The alveoli in the lungs fill with fluid.