Which of the following is true of chronic bronchitis? It is the sudden death of an apparently healthy infant during sleep.It is a viral-induced inflammation that causes the air passageways to narrow; characterized by a cough that sounds like a barking dog.It is characterized by permanent enlargement of the alveoli caused by deterioration of the alveolar walls; related to smoking.Inhaled irritants lead to a prolonged secretion of excess mucus by the mucosa of the lower respiratory passages and induce inflammation and fibrosis of this mucosa.It is an inherited disease in which the functions of exocrine glands are disrupted throughout the body. In the respiratory tract, viscous mucus blocks respiratory passages.