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Author Question: During volume control ventilation a patient's airway resistance increases. This change will cause ... (Read 63 times)

ss2343

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on: Jul 16, 2018
During volume control ventilation a patient's airway resistance increases. This change will cause which of the following to occur?
 
  a. Increase in delivered volume
  b. Increase in peak airway pressure
  c. Decrease in plateau pressure
  d. Decrease in peak airway pressure

Question 2

A home care patient diagnosed with central sleep apnea would benefit from which of the fol-lowing modes of ventilation?
 
  a. Pressure support ventilation (PSV)
  b. Noninvasive positive pressure ventilation (NIV)
  c. Continuous positive airway pressure (CPAP)
  d. Pressure controlled intermittent mandatory ventilation (PC-IMV)


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cupcake16

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

ANS: B
During volume control ventilation, changes in lung characteristics cause changes in pressure. In-creasing airway resistance causes an increase in the amount of pressure required to deliver the volume, thereby increasing peak airway pressure.

Answer to Question 2

ANS: B
Noninvasive positive pressure ventilation (NIV) is appropriate for this patient because during the periods of apnea there are no respiratory efforts. Continuous positive airway pressure (CPAP) is an accepted method used to treat obstructive sleep apnea. Pressure support ventilation (PSV) and pressure-controlled intermittent mandatory ventilation (PC-CMV) would require the patient to be intubated.


ss2343

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

tranoy

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Reply 3 on: Yesterday
:D TYSM

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