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Author Question: The most appropriate lung volume to measure for a mechanically ventilated patient is _____ volume. ... (Read 147 times)

Zulu123

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on: Jul 16, 2018
The most appropriate lung volume to measure for a mechanically ventilated patient is _____ volume.
 
  a. minute c. expiratory reserve
  b. residual d. inspiratory reserve

Question 2

To set up a pulmonary function laboratory that can measure all standard and dynamic lung vol-umes, which of the following equipment is necessary?
 
  a. Screen pneumotachograph and inductive plethysmograph
  b. Fleisch pneumotachograph and peak flowmeter
  c. Vortex ultrasonic flowmeter and inductive plethysmograph
  d. Stead-Wells spirometer and con-stant-volume plethysmograph


cswans24

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

ANS: A
At the bedside, the most commonly measured lung volume is the expired minute volume.

Answer to Question 2

ANS: D
The Stead-Wells spirometer measures volumes and flows, whereas the constant-volume plethys-mograph (the most common plethysmograph used) measures functional residual capacity. These two devices are able to measure all the volumes and flows necessary for full pulmonary function studies. The screen, Fleisch, and vortex ultrasonic pneumotachographs are unidirectional and are not able to measure inspiratory and expiratory flow simultaneously. Inductive plethysmography will provide respiratory rate and volume only, and is used in sleep laboratories.


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