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Author Question: Setting flow rates high will cause which of the following to occur? a. Improve gas exchange b. ... (Read 27 times)

Lisaclaire

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on: Jul 16, 2018
Setting flow rates high will cause which of the following to occur?
 
  a. Improve gas exchange
  b. Lengthen inspiratory time
  c. Increase air trapping
  d. Increase peak pressures

Question 2

The flow waveform pattern that will decrease peak pressure but at the same time may increase mean airway pressure is which of the following?
 
  a. Sine
  b. Rectangular
  c. Ascending ramp
  d. Descending ramp


Fayaz00962

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

ANS: D
The flow setting on a mechanical ventilator determines how fast the inspired gas will be deliv-ered to the patient. During continuous mandatory ventilation (CMV), high flows shorten inspira-tory time (TI) and may result in higher peak pressures and poor gas distribution.

Answer to Question 2

ANS: D
In situations where plateau pressure (PPlateau) is critical, changing to a descending ramp in order to reduce peak pressures may increase the mean airway pressure.


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