Types of output control valves used in modern ventilators include which of the following? 1. Pneumatic diaphragm valve 2. Proportional valve 3. Electromagnetic poppet or plunger 4. Linear screw valve
a. 1 and 3 only
b. 1, 2, and 3 only
c. 3 and 4 only
d. 2, 3, and 4 only
Question 2
Which of the following major categories of ventilator function are useful in classifying ventila-tors? 1. Control system 2. Power transmission and conversion 3. Output 4. Input
a. 1 and 2 only
b. 3 and 4 only
c. 1, 3, and 4 only
d. 1, 2, 3, and 4