B.false
Respiratory bronchioles or terminal bronchioles are also part of the conducting zone.
The correct answer is enter inhibitors or fusion inhibitors.
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Enter inhibitors are a class of <span>antiretroviral drugs, used for the treatment of </span>HIV infection. Enter inhibitors interfere with the binding, fusion and entry of a virus to a human cell by <span>binding to human cellular co-receptors.</span></span>
I believe it would be B. More than a year (Since it is a slow change, and that is the longest amount of time). Hopefully this helps
