Which of the following are characteristics of a ventilator that function as a true volume control-ler?
1. Its pressure waveform changes with changes in lung mechanics.
2. It measures and uses volume to control the volume waveform.
3. Its volume waveform stays constant with changes in lung mechanics.
a. 1 and 2 only
b. 1 and 3 only
c. 2 and 3 only
d. 1, 2, and 3
Question 2
According to the equation of motion of the respiratory system, a ventilator can control which of the following variables? 1. Volume 2. Resistance 3. Pressure 4. Flow
a. 1 and 3 only
b. 1, 2, and 3 only
c. 3 and 4 only
d. 1, 3, and 4 only