Mechanical Ventilation in the Home Setting Can Be Provided by Which

Multiple Choice

Mechanical ventilation in the home setting can be provided by which of the following methods?
1) Positive pressure through an oral endotracheal tube
2) Positive pressure through an intact upper airway
3) Intermittent abdominal displacement methods
4) Negative pressure through an intact upper airway

A) 1 and 3 only
B) 1, 2, and 3 only
C) 3 and 4 only
D) 2, 3, and 4 only