A ventilator that has flow as a control variable is volume limited when:

A ventilator that has flow as a control variable is volume limited when:
 A) the pressure limit is met
  B) the flow rate control is set at 60 L/min
  C) inspiratory pause is set
  D) when inspiratory time is set to a fixed value

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Q. 2  Pulse oximeters can be used to assess which of the following?
 A) blood pressure
  B) PO2
  C) hemoglobin level
  D) alveolar ventilation

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Q. 3  Which of the following ventilators have pressure support?
 
  I. Puritan BennettTM 840
 
  II. Drger, Evita 500V
  III. NewportTM e360
  IV. Maquet Servo-i
 A) I
  B) I and II
  C) I, II, and III
  D) I, II, III, and IV

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Q. 4  A base excess level of -2 mEq/L indicates which of the following?
 A) Too much bicarbonate in the blood
  B) High pH level
  C) Too much acid in the blood
  D) Too little acid in the blood

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Q. 5  You are using a ventilator that has flow as a control variable. Under which of the following modes of ventilation is pressure a control variable?
  I. mandatory volume breath delivery
  II. PEEP/CPAP
  III. sigh breath delivery
  IV. pressure support
 A) I and II
  B) I and III
  C) II and III
  D) II and IV