What Happens to a Dust Particle That Is Too Large

Multiple Choice

What happens to a dust particle that is too large to stay airborne and land in the alveoli?

A) It lands in the mucociliary ladder and moves to the pharynx to be swallowed.
B) It lands in the bronchi, where it is absorbed.
C) It lands in the mucociliary ladder, where type II macrophages phagocytize them.
D) It lands in the respiratory bronchiole, where it is coughed out.
E) It lands in the mucociliary ladder, where it is moved to the trachea to be exhaled.