During inspection of the shoulder of a compressed gas cylinder, you note a plus sign (+) next to the test date. This indicates what about the cylinder?
a. It is made of spun aluminum, not steel.
b. It only requires a 10-year DOT inspection.
c. It can be filled to 10 above its service pressure.
d. It has a high coefficient of elastic expan-sion.
Q. 2 Which of the following gases is used to treat conditions causing hypoxic respiratory failure?
a. N2O
b. He
c. NO
d. Cyclopropane
Q. 3 Compressed gas cylinders are manufactured from which of the following?
a. Copper
b. Seamless steel
c. Seamless brass
d. Fiberglass
Q. 4 Department of Transportation (DOT) regulations require compressed gas cylinders to be hydro-statically tested for leaks and expansion every how often?
a. 1 to 2 years
b. 3 to 5 years
c. 6 to 8 years
d. 5 to 10 years
Q. 5 Large hospital air compressor systems must be capable of maintaining 50 pounds per square inch gauge (psig) at what flows?
a. 10 L/min
b. 15 L/min
c. 50 L/min
d. 100 L/min
Q. 6 What key property of He makes it useful as a therapeutic gas?
a. Low solubility
b. Chemical inertness
c. Low cost
d. Low density
Q. 7 Which of the following equipment(s) could be powered by a small diaphragm or turbine air com-pressor?
1. Small-volume medication nebulizer
2. All-purpose large-volume jet nebulizer
3. Intermittent positive-pressure breathing device
a. 1 only
b. 1 and 2 only
c. 2 and 3 only
d. 1, 2, and 3
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