Which of the following is not true of the respiratory irritant receptors?
A. Stimulation of these receptors can lead to coughing or sneezing.
B. Sensory impulses from the irritant receptors are transported by the vagus nerve.
C. Sensory impulses from the irritant receptors are transported to the dorsal respiratory group.
D. Stimulation of the respiratory irritant receptors results in dilations in the bronchial tree.
E. All of these are true of the respiratory irritant receptors.
Answer: D
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