This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Respiration, Subject name: Pathology
Curschmann spirals are found in 
Select and explain. 
A. Broncitis, B. Asthma, C. Bronchiectasis, D. Lung abscesses
B: Asthma
Answer: B: Asthma 
Explanation: (Asthma) (726- Robbins 7th) (485- 492- HM 5,h) (492- Basic pathology 8th)* Bronchial Asthma - Histologically the mucous plugs contain whorls of shed epithelium. Which give rise to the well known Curschmann spirals*, Numerous eosinophils and charcot Leyden crystals* are present* The other characteristic histologic findings of asthma collectively called "airway remodeling"* REID INDEX is the ratio between thickness of the submucosal mucous glands (i.e, hypertrophy and hyper plasia) in the cartilage containg large airway to that of the total bronchial wall seen in chronic bronchitis**