As hygroscopic aerosol particles enter the respiratory tract, ...

[naturalchemist]

As hygroscopic aerosol particles enter the respiratory tract, what do they tend to do?
 
  a. Decrease in size because of the absorption of molecular water.
  b. Increase in size because of the absorption of molecular water.
  c. Increase in size because of the evaporation of molecular water.
  d. Decrease in size because of the evapora-tion of molecular water.

Question 2

What is the primary hazard of aerosol drug therapy?
 
  a. Adverse drug reactions
  b. Pulmonary infection
  c. Airway reactivity
  d. Drug reconcentration

[smrtceo]

Answer to Question 1

ANS: B
Aerosols of water-soluble materials, especially salts, tend to be hygroscopic, absorbing water and growing when introduced into a high-humidity environment.

Answer to Question 2

ANS: A
The primary hazard of aerosol drug therapy is an adverse reaction to the medication being ad-ministered.

[naturalchemist]

Thanks for the timely response, appreciate it

[Joy Chen]

Excellent