What is the danger of liquid oxygen systems?
a. Liquid oxygen can freeze the skin.
b. Liquid oxygen can burn the skin.
c. Liquid oxygen can cause pressure on the skin.
d. Liquid oxygen can cause atelectasis.
Question 2
Which oxygen source is used when the person is ambulatory or uses a wheelchair?
a. Wall outlet or oxygen tank
b. Oxygen tank or oxygen concentrator
c. Oxygen concentrator or liquid oxygen unit
d. Small oxygen tank or portable liquid oxy-gen unit