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Author Question: The gas that enters the ventilator from high-pressure sources goes directly to the patient. This is ... (Read 27 times)

jlmhmf

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on: Jul 16, 2018
The gas that enters the ventilator from high-pressure sources goes directly to the patient. This is a description of a _____ system.
 
  a. single-circuit c. pneumatic circuit
  b. double-circuit d. power transmission

Question 2

Which of the following is a device that uses a flow resistor to create expiratory pressure?
 
  a. Positive expiratory pressure mask
  b. Downs continuous positive airway pres-sure generator
  c. Modern ventilator
  d. Fluidic device


Benayers

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

ANS: A
In a single-circuit ventilator, the gas enters the ventilator and goes directly to the patient.

Answer to Question 2

ANS: A
Flow resistors are used in positive expiratory pressure masks to combat atelectasis and aid in the removal of secretions. They are used less commonly in ventilator circuits. The Downs continuous positive airway pressure generator uses a threshold resistor to generate positive pressure. Modern ventilators use threshold resistors to generate expiratory pressure. Fluidic devices do not use flow resistors.


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