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Weaning Adults From Mechanical Ventilation

Please select the best answer for each question.

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1: Which of the following increases a patient's ventilatory workload?: decreased airway resistance
increased lung compliance
impaired neurologic function
increased alveolar deadspace
2: Examples of patients who are likely candidates for rapid ventilator discontinuance include which of the following?: patients with severe trauma
patients with narcotic overdose
patients with chronic, severe medical conditions
patients with progressive neuromuscular disease
3: The primary factor in determining weaning readiness is _________.: reversal of the process that precipitated ventilator commitment
the APACHE score
patient's ability to cough
clearing of the chest radiograph
4: Parameters that have been shown to have some power to predict weanability include which of the following? I. PIMAX II. respiratory rate III. rapid-shallow breathing index: I, II only
II, III only
I, III only
I, II, III
5: Components of the CROP index include all of the following EXCEPT:: rate
oxygenation
compliance
resistance
6: Clinical assessment of ventilatory workload includes which of the following observations?: intercostal retractions
usage of ventilatory accessory muscles
paradoxical abdominal motion
all of the above
7: Research has shown that a duration of _____ is optimal for a t-piece spontaneous breathing trial.: 15 minutes
30 minutes
1 hour
2 hours
8: The slowest technique for weaning is _________.: t-piece trial
pressure support ventilation
synchronized intermittent mandatory ventilation
continuous positive airway pressure
9: Disadvantages of t-piece weaning include which of the following?: lack of alarms
more staff time
imposed work of breathing from endotracheal tube
all of the above
10: The daily screening test for weaning, as described by Ely et al, includes which of the following components?: CROP index
rapid shallow breathing index
PIMAX
slow vital capacity