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Author Question: In the figure, the pressure-time curve that represents pressure-controlled intermittent mandatory ... (Read 49 times)

fagboi

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on: Jul 16, 2018
In the figure, the pressure-time curve that represents pressure-controlled intermittent mandatory ventilation plus pressure support is which of the following?
 
  a. A c. C
  b. B d. D

Question 2

The statement The baseline pressure is elevated but is periodically released to a lower level for a very brief period, and the patient is allowed to breathe spontaneously at each level describes which of the following ventilator modes?
 
  a. Bilevel positive airway pressure
  b. Pressure-controlled inverse-ratio ventila-tion
  c. Airway pressure-release ventilation
  d. Mandatory minute ventilation


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sarah_brady415

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

ANS: C
Graph C shows two pressure-limited breaths at two different pressures. The higher pressure is the pressure-limited ventilator breath, and the lower pressure is the pressure-limited spontaneous breath (or pressure-supported breath). Graph A shows volume-controlled continuous mandatory ventilation, graph B shows airway pressure-release ventilation, and graph D shows vol-ume-controlled intermittent mandatory ventilation plus pressure support.

Answer to Question 2

ANS: C
Airway pressure-release ventilation provides two levels of continuous positive airway pressure and allows for spontaneous breathing at both levels. The ventilator is time triggered, pressure lim-ited, and time cycled. The low time is usually approximately 0.2 to 1 second.


fagboi

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Reply #2 on: Jul 16, 2018
Thank you


sarah_brady415

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Reply #3 on: Jul 16, 2018
No problemo


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