Which of these treatments would NOT be used to treat chronic obstructive pulmonary disease (COPD)?
A) bronchodilator drugs
B) corticosteroid drugs
C) oxygen therapy
D) antiviral drugs
Question 2
Which structure of the respiratory system arises from the trachea and divides to form exten-sive branching within the lungs?
A. bronchi
B. bronchioles
C. larynx
D. pharynx