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Author Question: A volume-cycled ventilator has a rate knob for setting the controlled frequency of breathing. If ... (Read 131 times)

kfurse

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on: Jul 16, 2018
A volume-cycled ventilator has a rate knob for setting the controlled frequency of breathing. If this control is set to 12/min, which of the following other settings will determine the inspiratory and expiratory times?
 
  1. FiO2
  2. Flow
  3. Volume
  a. 1 and 2 only
  b. 1 and 3 only
  c. 2 and 3 only
  d. 1, 2, and 3

Question 2

A patient receiving time-triggered continuous mechanical ventilation at a preset rate of 10/min stops breathing. Which of the following will occur?
 
  a. The high-pressure limit alarm will sound (if properly set).
  b. The patient will continue to receive 10 breaths/min.
  c. The low tidal volume (VT) alarm will sound (if properly set).
  d. Ventilation will drop to zero and the ap-nea alarm will sound.


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pocatato

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

ANS: C
When a rate control is used, inspiratory and expiratory times will vary according to other control settings, such as flow and volume.

Answer to Question 2

ANS: B
When triggering by time, a ventilator initiates a breath according to a predetermined time inter-val, without regard to patient effort.


kfurse

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Reply 2 on: Jul 16, 2018
Great answer, keep it coming :)

mcarey591

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Reply 3 on: Yesterday
Excellent

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