This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Respiratory system, Subject name: Anatomy
Thickening of the respiratory membrane is seen in 
Select and explain. 
A. A. Asthma, B. B. Emphysema, C. C. Empyema, D. Bronchiectasis
A: A. Asthma
Answer: A: A. Asthma 
Explanation: Thickening of the airway wall is a feature of airways remodeling and is seen in asthma A condition in which a person's airways become inflamed, narrow and swell and produce extra mucus, which makes it difficult to breathe.