A 65-year-old woman with a smoking history of 2 packs/day for 30 years has received a diagnosis of chronic obstructive lung disease.She probably has increased mucus viscosity as a result of:
A)Bronchoconstriction. B)Stimulation of parasympathetic fibers in bronchial glands. C)Stimulation of the sympathetic nerves. D)Abnormal breathing pattern. E)Stimulation of smooth muscles