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Author Question: What is the primary fate of inhaled aerosol particles that are between 1 and 0.5 m? a. Most are ... (Read 42 times)

burchfield96

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on: Jul 16, 2018
What is the primary fate of inhaled aerosol particles that are between 1 and 0.5 m?
 
  a. Most are cleared during exhalation.
  b. Most deposit in the central airways.
  c. Most deposit in the upper airways.
  d. Most deposit in the alveoli.

Question 2

Which of the following aerosols would have the highest rate of deposition by diffusion?
 
  a. MMAD of 0.1 m
  b. MMAD of 3.0 m
  c. MMAD of 10.0 m
  d. MMAD of 50.0 m


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mistyjohnson

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

ANS: A
Particles between 1 and 0.5 m are so stable that most remain in suspension and are cleared with the exhaled gas.

Answer to Question 2

ANS: A
Particles smaller than 0.5 m have a greater retention rate in the lungs.


burchfield96

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Reply 2 on: Jul 16, 2018
Thanks for the timely response, appreciate it

bigsis44

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Reply 3 on: Yesterday
Excellent

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