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Author Question: Immediately after firing, the aerosol particles produced by most metered dose inhalers are ... (Read 81 times)

natalie2426

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on: Jul 16, 2018
Immediately after firing, the aerosol particles produced by most metered dose inhalers are ap-proximately how large?
 
  a. 1 m
  b. 5 m
  c. 20 m
  d. 35 m

Question 2

Most of the spray generated by the majority of metered dose inhalers consists of which of the following?
 
  a. Active drug
  b. Propellant
  c. Surfactant agents
  d. Water solution


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dlook33

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Reply #1 on: Jul 16, 2018
Answer to Question 1

ANS: D
Propellant evaporation causes the initially large particles (35 m) generated at the actuator orifice to rapidly decrease in size.

Answer to Question 2

ANS: B
Approximately 60 to 80 by weight of this spray consists of the propellant.


natalie2426

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Reply 2 on: Jul 16, 2018
Gracias!

AngeliqueG

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Reply 3 on: Yesterday
Wow, this really help

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