What influence does particle size have on aerosol therapy?

Question

12. What influence does particle size have on aerosol therapy?
13. What is the primary method of deposition for large, high-mass particles?
14. Particles of 10 microns or larger tend to be deposited in what part of the respiratory tract?
What about particles between 5 and 10 microns?
15. In what part of the lung would you like to deposit beta-adrenergic bronchodilator medications? What particle size is needed to accomplish this?

SnapAndSolve AI · Accepted Answer

Particle size affects the ability of aerosol to reach the lower airways. Larger particles tend to deposit in the upper airways, while smaller particles can reach the lower airways. The primary method of deposition for large, high-mass particles is inertial impaction. Particles of 10 microns or larger tend to be deposited in the nose and throat. Particles between 5 and 10 microns are deposited in the upper airways. To deposit beta-adrenergic bronchodilator medications in the lower respiratory tract, a particle size of 2 to 5 microns is needed.

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What influence does particle size have on aerosol therapy?

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