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Author Question: Where along the jet ventilator system does the airway pressure need to be measured for this ... (Read 20 times)

tingc95

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on: Jul 16, 2018
Where along the jet ventilator system does the airway pressure need to be measured for this measurement to be accurate?
 
  A. distal to the jet injector
  B. about 5 cm proximal to the jet injector
  C. near the entrainment port
  D. anywhere along the expiratory limb of the circuit

Question 2

How does exhalation occur during high-frequency jet ventilation?
 
  A. Lung elastic recoil causes exhalation to be passive.
  B. Exhaled air pulses out of the lungs between inspiratory pulsations.
  C. Exhaled air becomes entrained with reverse oscillations.
  D. Exhalation relies on the development of subatmospheric pressure generated immediately following an inspiration.


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sarajane1989

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

ANS: A
A. Correct response: Airway pressure must be measured distal to the jet injector for accuracy. In the diagram of a jet ventilator presented here, notice where the manometer for indicating airway pressure is located in relation to where the airway pressure is sensed. Also, observe where airway pressure is measured in relation to the distal portion of the injector.

B. Incorrect response: See explanation A.
C. Incorrect response: See explanation A.
D. Incorrect response: See explanation A.

Answer to Question 2

ANS: A
A. Correct response: With high-frequency jet ventilation, exhalation is passive because of the elastic recoil of the lungs. With a jet ventilator, the therapist usually has control over the rate, inspiratory time, jet drive pressure, and expiratory pressure.
B. Incorrect response: See explanation A.
C. Incorrect response: See explanation A.
D. Incorrect response: See explanation A.


tingc95

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Reply 2 on: Jul 16, 2018
Thanks for the timely response, appreciate it

aruss1303

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Reply 3 on: Yesterday
Excellent

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