Aerosol Deposition Quiz

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What is the relationship between oropharyngeal deposition and the factors Da and Q?

Oropharyngeal deposition is inversely related to Da and directly related to Q

Oropharyngeal deposition is independent of both Da and Q

Oropharyngeal deposition is solely determined by the factor Q

Oropharyngeal deposition follows the relationship Da2Q, increasing both factors increases oropharyngeal deposition (correct)

How does inspiratory airflow affect aerosol deposition in the lungs?

Lower inspiratory airflow decreases particle dispersal, increasing Da and requiring a balance of Q

Higher inspiratory airflow provides energy for particle dispersal, decreasing Da and requiring a balance of Q (correct)

Inspiratory airflow has no significant impact on aerosol deposition in the lungs

Higher inspiratory airflow increases Da and reduces Q, leading to greater lung deposition

How does particle diameter influence agglomerate strength of the powder?

Particle diameter has no effect on agglomerate strength

Smaller particle diameter leads to weaker agglomerate strength

Greater particle diameter results in weaker agglomerate strength (correct)

Agglomerate strength increases with particle diameter

How does the grid help with dispersing the powder formulation in the aerosol?

The grid helps straighten airflow and reduces turbulent airflow Signup and view all the answers

What is the effect of increasing both factors Da and Q on oropharyngeal deposition?

Higher chance of oropharyngeal deposition and less chances of lung deposition Signup and view all the answers

How does inspiratory airflow affect aerosol deposition in the lungs?

Provides energy for particle dispersal, decreasing Da and requiring a balance of Q Signup and view all the answers

What is the effect of an increase in work of adhesion on agglomerate strength of the powder?

Increase in agglomerate strength Signup and view all the answers

How does the grid assist in dispersing the powder formulation in aerosol?

Helps with dispersing the powder formulation, straightens airflow, and reduces turbulent airflow Signup and view all the answers

What is the relationship between particle diameter and agglomerate strength of the powder?

The greater the particle diameter, the weaker the agglomerate strength Signup and view all the answers

How does inspiratory airflow affect oropharyngeal deposition of aerosol powder?

Increasing inspiratory airflow increases the chances of oropharyngeal deposition Signup and view all the answers

How does an increase in packing fraction affect agglomerate strength of the powder?

An increase in packing fraction leads to an increase in agglomerate strength Signup and view all the answers

How does the lactose carrier influence the dispersion of the powder formulation in the aerosol?

Smaller particles will retain in the canister or be attached to the canister walls if no lactose is present Signup and view all the answers

Aerosol Deposition Quiz

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Questions and Answers

What is the relationship between oropharyngeal deposition and the factors Da and Q?

How does inspiratory airflow affect aerosol deposition in the lungs?

How does particle diameter influence agglomerate strength of the powder?

How does the grid help with dispersing the powder formulation in the aerosol?

What is the effect of increasing both factors Da and Q on oropharyngeal deposition?

How does inspiratory airflow affect aerosol deposition in the lungs?

What is the effect of an increase in work of adhesion on agglomerate strength of the powder?

How does the grid assist in dispersing the powder formulation in aerosol?

What is the relationship between particle diameter and agglomerate strength of the powder?

How does inspiratory airflow affect oropharyngeal deposition of aerosol powder?

How does an increase in packing fraction affect agglomerate strength of the powder?

How does the lactose carrier influence the dispersion of the powder formulation in the aerosol?

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