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Author Question: The therapist is performing closed-circuit system suctioning on a patient receiving mechanical ... (Read 75 times)

asd123

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The therapist is performing closed-circuit system suctioning on a patient receiving mechanical ventilation on a ventilator that has an active exhalation valve. During an inspiration, the patient suddenly coughs violently. How will the ventilator respond to this occurrence?
 
  A. Inspiration continues, and the high-pressure alarm activates.
  B. Patient-ventilator dyssynchrony will develop.
  C. The patient will exhale, while the inspiratory pressure remains constant.
  D. The exhalation valve will remain closed until inspiration terminates.

Question 2

Calculate the relative humidity for a gas that contains 18 mg/L of water at 25o C. The capacity of this gas is 23 mg/L at 25o C.
 
  A. 92
  B. 83
  C. 78
  D. 72



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miss.ashley

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Answer to Question 1

ANS: C
A. Incorrect response: Traditionally, exhalation valves close during inspiration and open during exhalation.
B. Incorrect response: The newer active exhalation valves have done much to improve patient-ventilator synchrony.
C. Correct response: An active exhalation valve accommodates both inspiratory and expiratory flows simultaneously. Consequently, as the patient coughs and generates high pressure, the exhalation valve allows this high pressure to exit the system. Inspiratory flow continues uninterrupted.
D. Incorrect response: See explanation C.

Answer to Question 2

ANS: C
A. Incorrect response: See explanation C.
B. Incorrect response: See explanation C.
C. Correct response: Relative humidity is defined as content divided by capacity times 100. The formula is as follows:
 relative humidity = (content capacity) 100
 relative humidity = (18 mg/L 23 mg/L) 100 = 78.2
D. Incorrect response: See explanation C.




asd123

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Reply 2 on: Jul 16, 2018
Excellent


mammy1697

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Reply 3 on: Yesterday
:D TYSM

 

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