An alert patient receiving ventilatory support through a demand flow intermittent mandatory ventilation system exhibits clinical signs of an increased work of breathing whenever you try to decrease the mandatory rate below 6/min. In order to aid in weaning this patient, which of the following would you recommend?

The pathogenesis of VAP involves:1. colonization of the aerodigestive tract.2. aspiration of contaminated secretions into the lower airways.3. increased use of silver-coated endotracheal tubes.4. colonization of lower airways and lung parenchyma.

The main strategy for the management of VAP focuses on which of the following?

Which of the following cardiovascular signs would indicate that a patient’s cardiovascular status is unstable and that weaning should not begin at this time?

An alert patient receiving intermittent mandatory ventilation at a rate of 8/min and VT of 600 ml has stable vital signs and satisfactory blood gases on an FiO2 of 0.45. What would you do to initiate weaning for this patient?

In what areas of the lung are ventilation and perfusion best matched during spontaneous ventilation in the supine position?

Which of the following is a method to reduce the risk for VAP?

Malnutrition during mechanical ventilation can cause which of the following?

Healthy areas of lung tissue in a patient with ARDS may be protected from lung injury caused by overdistention by which of the following?

What style of ambulance is the one pictured below?