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Author Question: Where do most aerosol particles in the 5- to 10-m range deposit? a. Alveoli b. Bronchioles c. ... (Read 79 times)

biggirl4568

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on: Jul 16, 2018
Where do most aerosol particles in the 5- to 10-m range deposit?
 
  a. Alveoli
  b. Bronchioles
  c. Central airways
  d. Upper airways

Question 2

Which of the following will increase aerosol deposition by inertial impaction? 1. High-velocity gas flow 2. Variable or irregular passages 3. Turbulent gas flow 4. Particles of high mass
 
  a. 2 and 3 only
  b. 2, 3, and 4 only
  c. 1, 3, and 4 only
  d. 1, 2, 3, and 4


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fffftttt

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

ANS: D
Particles in the 5- to 10-m range tend to become deposited in the oropharynx and hypopharynx, especially with the turbulence created by the transition of air as it passes around the tongue and into the larynx.

Answer to Question 2

ANS: A
The greater the mass and velocity of a moving object, the greater is its inertia and the greater is the tendency of that object to continue moving along its set path (Figure 39-1).


biggirl4568

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Reply #2 on: Jul 16, 2018
Correct answers!


fffftttt

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Reply #3 on: Jul 16, 2018
Great! Please up vote :D


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