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What is Definition of bronchial asthma and explain in detail?
(C) Chronic inflammtion with airway hyperactivity# BRONCHIAL ASTHMA is a chronic, inflammatory disease of the respiratory tract, which is characterized by bronchial hyper- reactivity and respiratory obstruction. Allergic rhinitis is an allergic inflammation of the nasal airways.> Chronic bronchitis is one type of COPD (chronic obstructive pulmonary disease). The inflamed bronchi produce a lot of mucus.> Pneumonia is an inflammatory condition of the lung affecting primarily the microscopic air sacs known as alveoli. It is usually caused by infection with viruses or bacteria.