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Author Question: The inspiratory phase on a Puritan Bennett PR-2 will end when which of the following occurs? a. ... (Read 113 times)

clippers!

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on: Jul 16, 2018
The inspiratory phase on a Puritan Bennett PR-2 will end when which of the following occurs?
 
  a. The clutch plate, diaphragm, and ceramic switch are forced left.
  b. Gravity is sufficient to completely close the Bennett valve.
  c. The Bennett valve rotates counterclock-wise.
  d. The set Sensitivity level is reached.

Question 2

Which of the following intermittent positive-pressure breathing machines is electrically powered and patient-triggered only?
 
  a. Bird Mark 7 c. Puritan Bennett AP-5
  b. Bird Mark 14 d. Puritan Bennett PR-2


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dajones82

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

ANS: B
When the gas flow through the Bennett valve decreases to between 1 and 3 L/min, the force of gravity is sufficient to swing the valve completely closed, thus terminating inspiration.

Answer to Question 2

ANS: C
The Puritan Bennett AP-5 machines are electrically powered and patient-triggered only. The oth-er machines are pneumatically powered and can be time-triggered, as well as patient-triggered.


clippers!

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Reply 2 on: Jul 16, 2018
Gracias!

ttt030911

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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