Which of the following conditions causes constriction of the bronchial airways?

A) bronchiectasis
B) asthma
C) anthracosis
D) adult respiratory distress syndrome


B) asthma
Asthma causes constriction of the bronchial airways. Bronchiectasis is enlargement
of the bronchi. Anthracosis is known as black lung. Adult respiratory distress syndrome is acute
respiratory failure in adults.

Health & Biomechanics

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