Which of the following patients are at greatest risk for developing auto-PEEP during mechanical ventilation?  Those with acute lung injury  Those with COPD   Those with congestive heart failure  Those with bilateral pneumonia

In intubated patients, which of the following sources can impose increased work of breathing? (Multiple Answers)  endotracheal tube  auto-PEEP  chest tube  gastric tube  

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? (Multiple Answers)  Assist-control ventilation with adequate backup rate.  Continuous positive airway pressure.  Intermittent mandatory ventilation with adequate backup rate.  Airway pressure release ventilation.

Which of the following is a feature of Myasthenia gravis?  Limited to lower extremities only.  Descending muscle weakness.   Ascending muscle weakness.  Limited to middle of the chest.

What is a key factor in ensuring safety during a funeral procession?

In healthy adults, 1/3 of the work of breathing (WOB) can be attributed from frictional resistance to gas and tissue movement.  

A patient with a 10-year history of chronic bronchitis and an acute viral pneumonia exhibits the following blood gas results breathing room air: pH = 7.22; PCO2 = 67 mm Hg; PO2 = 60 mm Hg; HCO3– = 26 mEq/L. Which of the following best describes this patient’s condition?

Which of the following measures should be used in assessing the adequacy of a patient’s alveolar ventilation? (Multiple Answers) 1. PaO2 2. Arterial pH 3. PaCO2 4. HCO3-

What is the normal P(A–a)O2 range while breathing room air? 25 mm Hg to 50 mm Hg 10 mm Hg to 25 mm Hg less than 10 mm Hg greater than 25 mm Hg

Which of the following is a feature of Myasthenia gravis?  Limited to lower extremities only.  Descending muscle weakness.   Ascending muscle weakness.  Limited to middle of the chest.