Author Question: Ventilation is: A) the diffusion of gases at the alveoli. B) the diffusion of the gas at the ... (Read 90 times)

dejastew

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Ventilation is:
 
  A) the diffusion of gases at the alveoli.
  B) the diffusion of the gas at the cellular level.
  C) the mechanical process of moving air in and out of the lungs.
  D) done to allow the gas to escape the chest wall.

Question 2

An observational study is also called a:
 
  a. case series. c. randomized controlled study.
  b. nonrandomized control trial. d. cohort study.



Anton

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Answer to Question 1

C

Answer to Question 2

d



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