One liter of liquid oxygen is equivalent to _____ liters of gaseous oxygen.
a. 2.5 c. 348
b. 328 d. 860
Q. 2 Which is true about the process of fractional distillation of liquid air?
a. Compressed air is a by-product.
b. It produces pure liquid oxygen.
c. Liquid nitrous oxide is produced.
d. Concentrators use it to produce oxygen.
Q. 3 Which of the following statements are true given that, on one side of a medical gas cylinder, the only markings to appear are 3 (tw) 84 + .
1. The cylinder passed the hydrostatic test.
2. The cylinder must be retested after 5 years.
3. The cylinder must be retested after 10 years.
4. The cylinder was manufactured in March 1984.
5. Hydrostatic testing was performed in March 1984.
a. 2, 3, and 4 c. 1, 4, and 5
b. 2, 3, and 5 d. 1, 2, and 4
Q. 4 Which of the following large-cylinder safety recommendations is not appropriate?
a. Protective caps are not necessary during storage.
b. Cylinders should be transported with pro-tective caps.
c. Cylinder carts used in the operating room must be grounded.
d. Transportation must occur on an appropri-ate cart, onto which the cylinder is secured by a chain.
Q. 5 Which of the following statements are true concerning station outlets?
1. Check valves are safety valves that close automatically when an adapter is disengaged from the outlet.
2. Station outlets do not have ASSS connections.
3. Quick-connect adapters use noninterchangeable thread fittings.
4. Check valves must hold a minimum of 200 psig.
a. 3 and 4 c. 2 and 4
b. 1, 3, and 4 d. 1 and 2
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