Figure 14- 1 Spinothalamic Tracts
Use Figure 14- 1 to answer the following questions:
-Control of the diameter of the respiratory passages depends upon
A) parasympathetic stimulation only.
B) both parasympathetic and sympathetic levels of stimulation.
C) sympathetic stimulation only.
D) somatomotor stimulation only.
E) sensory receptors sensitive to changes in lung ventilation.

Question

Figure 14- 1 Spinothalamic Tracts
Use Figure 14- 1 to answer the following questions:
-Control of the diameter of the respiratory passages depends upon
A) parasympathetic stimulation only. 
B) both parasympathetic and sympathetic levels of stimulation. 
C) sympathetic stimulation only. 
D) somatomotor stimulation only. 
E) sensory receptors sensitive to changes in lung ventilation.

Quizplus · Accepted Answer

The diameter of the respiratory passages is controlled by both parasympathetic and sympathetic stimulation. Parasympathetic stimulation causes constriction, while sympathetic stimulation causes dilation.