Which of the Following Is the Correct Proximal-To-Distal Alignment of the Human

Multiple Choice

Which of the following is the correct proximal-to-distal alignment of the human airway?

A) Trachea $\rightarrow$ bronchi $\rightarrow$ respiratory bronchioles $\rightarrow$ nonrespiratory bronchioles $\rightarrow$ terminal bronchioles $\rightarrow$ alveolar ducts $\rightarrow$ alveolar sacs
B) Trachea $\rightarrow$ bronchi $\rightarrow$ alveolar ducts $\rightarrow$ alveolar sacs $\rightarrow$ bronchioles $\rightarrow$ terminal bronchioles
C) Trachea $\rightarrow$ bronchi $\rightarrow$ nonrespiratory bronchioles $\rightarrow$ terminal bronchioles $\rightarrow$ alveolar sacs $\rightarrow$ alveolar ducts
D) Trachea $\rightarrow$ bronchi $\rightarrow$ nonrespiratory bronchioles $\rightarrow$ respiratory bronchioles $\rightarrow$ terminal bronchioles $\rightarrow$ alveolar ducts $\rightarrow$ alveolar sacs