A patient is receiving continuous mandatory ventilation in t…

A patient is receiving continuous mandatory ventilation in the control mode at a set rate of 15/min. The inspiratory time is 0.8 second. What is the expiratory time?  What is the I:E ratio? A. 3.2 seconds; 1:4 B. 2.8 seconds; 1:1 C. 2.4 seconds; 1:2 D. 4.2 seconds; 1:3

Which of the following statements are true of alveolar overd…

Which of the following statements are true of alveolar overdistension / hyperinflation ? a.  It can be identified by assessing pressure / volume waveform b.  It appears as ” beaking ” deformity on pressure / volume loop c.  If not corrected can lead to barotrauma, VILI and pneumothorax d.  Can be corrected by decreasing tidal volume on Volume control ventilation and decreasing the PIP ( peak inspiratory pressure) on pressure control mode of ventilation e.  All of the above statements are true

Which of the following best describes the difference between…

Which of the following best describes the difference between V/Q mismatch and shunt when supplemental oxygen is administered? A. Both will respond equally well. B.  V/Q mismatch will respond well but shunt will not. C. V/Q  mismatch will not respond but shunt will respond well. D. Neither will respond to the administration of supplemental oxygen.

Ventilator waveforms can be used to identify which of the fo…

Ventilator waveforms can be used to identify which of the following problems/ abnormalities? I.   Patient trigger/ inspiratory effort II.  adequacy of peak inspiratory flow rates III. airway resistance IV. air leak / auto peep   a.  I, II and III only   b.  I and II only    c.  II, III, and IV only    d.  I, II, III, and IV

A patient develops acute hypercapnic respiratory failure due…

A patient develops acute hypercapnic respiratory failure due to muscle fatigue. Which of the following modes of ventilatory support would you consider for this patient? I. assist-control ventilation with adequate backup II. continuous positive airway pressure III. synchronized intermittent mandatory ventilation with adequate backup rate IV. bilevel pressure support ( Bipap ) by mask   A. II and IV B. III and IV C. I, II, and III D. I, III, and IV