A) Stim ulation of histamine receptors in the alveoli
B) Stimulation of histamine receptors in the smooth muscle cells of the bronchi
C) Stimulation of
α 1 receptors on smooth muscle cells of the bronchi
D) Stimulation of
β 2 receptors on smooth muscle cells of the bronchi
E) Stimulation of cholinergic receptors on smooth muscle cells of the bronchi