Which of the following is a method of drug calculation?

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

The term superior means toward the head

Indicate whether the statement is true or false