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Breathing and Exchange of Gases question

2018 · Q12
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Breathing and Exchange of Gases question

2018 · Q12

NEETBiologyBreathing and Exchange of GasesMCQ+4 / −1
Which of the following options correctly represents the lung conditions in asthma and emphysema, respectively?
  1. A
    Decreased respiratory surface; Inflammation of bronchioles
  2. B
    Inflammation of bronchioles; Decreased respiratory surface
  3. C
    Increased number of bronchioles; Increased respiratory surface
  4. D
    Increased respiratory surface; Inflammation of bronchioles
View written solutionFree

Correct answer: B

Asthma is difficulty in breathing causing wheezing due to inflammation of bronchi and bronchioles.


Emphysema is a chronic disorder in which alveolar walls are damaged due to which respiratory surface is decreased. One of the major causes of this is cigarette smoking.

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