A physician wants to deliver a therapeutic aerosol to the upper airway (nose, larynx, trachea). To help ensure maximum deposition in this area, you would select an aerosol generator with an MMAD in what range?

Question

Quizplus · Accepted Answer

Particles in the 5 to 50 µm range are most effective for targeting the upper airway (nose, larynx, trachea) because they are large enough to be deposited in the upper airways by impaction and too large to follow the airstream into the lower respiratory tract.

A Physician Wants to Deliver a Therapeutic Aerosol to the Upper