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Author Question: What is the flow rate if the set volume is 550 mL and the inspiratory time is 1.2 second? a. 27.5 ... (Read 22 times)

ARLKQ

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on: Jul 16, 2018
What is the flow rate if the set volume is 550 mL and the inspiratory time is 1.2 second?
 
  a. 27.5 L/min c. 55 L/min
  b. 45.8 L/min d. 66 L/min

Question 2

The maximum safety pressure should be set at _____ cm H2O when the peak pressure reached during volume-controlled ventilation is 25 cm H2O.
 
  a. 30 c. 40
  b. 35 d. 45


taylorsonier

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

ANS: A
Volume = Flow  Time, so Flow = Volume  Time. 550 mL = 0.55 L. Flow = 0.55 L  1.2 s = 0.46 L/s  60 = 27.5 L/min.

Answer to Question 2

ANS: B
The maximum safety pressure is usually set by the operator at 10 cm H2O above the peak pressure reached during inspiration.


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