A patient is receiving proportional assist ventilation (PAV). During the course of being mechanically ventilated, the patient develops a leak around the cuff of the endotracheal tube. What should the therapist expect to occur in this situation?
A. PAV will deliver more flow and pressure to the patient.
B. The patient will exhibit a decreased demand for flow and pressure.
C. The high pressure alarm will repeatedly sound.
D. The patient's airway resistance will increase and lung elastance will decrease.
Question 2
The therapist is preparing to ventilate a patient using ILV and needs to access the affected lung for the purposes of ventilation and bronchial hygiene. Which of the following methods of intubation needs to be avoided to achieve these objectives?
A. the Fogarty occlusion techniques
B. employing the Univent
C. using a conventional DLT
D. All means of providing ILV afford access to the affected lung.
Ventilation of the mammalian lung by negative pressure filling.
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