The Nursing Instructor Teaches the Nursing Students About the Major

The nursing instructor teaches the nursing students about the major functions of the upper respiratory tract.What will the best plan by the nursing instructor include? Credit will be given only if all correct choices and no incorrect choices are selected.

A) Inward airflow from the trachea branches off to the two bronchi.
B) The nose warms the air before it reaches the lungs.
C) The nasal mucosa is the first line of immunological defense.
D) Activation of the parasympathetic nervous system constricts arterioles in the nose.
E) Activation of the sympathetic nervous system constricts arterioles in the nose.