On the Smiths Medical Pneupac ventiPAC ventilator, which of the ...

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On the Smiths Medical Pneupac ventiPAC ventilator, which of the following would provide a 15 breaths/min respiratory rate?
 
  a. Set inspiratory-to-expiratory ratio at 1:4
  b. Set the rate control = 15 breaths/min
  c. Set inspiratory time at 1.5 s and expiratory time at 2.5 s
  d. Set flow rate control = 30 L/min, tidal volume = 500 mL, and expiratory time = 3 seconds

Question 2

Which of the following statements concerning the Pulmonetic Systems LTV 1000 ventilator is true?
 
  a. An external positive end-expiratory pres-sure valve must be added.
  b. There is a backup pressure trigger of 3 cm H2O.
  c. The square-flow waveform is automati-cally set.
  d. Volume-targeted breaths are the only breath type available.

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Answer to Question 1

ANS: C
Respiratory rate is set by manipulation of the inspiratory and expiratory time control knobs. In-spiratory time is adjustable from 0.5 to 2 seconds. Expiratory time is adjustable from 0.6 to 6 seconds.

Answer to Question 2

ANS: B
In addition to flow triggering, there is a backup pressure-sensing trigger that pressure triggers a breath when the airway pressure drops below 3 cm H2O.

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[EAN94]

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