Question

this condition is characterized by bronchial constriction leading to wheezing and shortness of breath. emphysema lung cancer asthma bronchitis

Explanation:

Asthma is a condition where bronchial constriction occurs, causing wheezing and shortness of breath. Emphysema mainly involves damage to air - sacs, lung cancer is about abnormal cell growth, and bronchitis is inflammation of bronchial tubes, not typically defined by just bronchial constriction like asthma.

Answer:

Asthma