The NFPA requires that bulk oxygen systems be at least how many feet from parked vehicles?
a. 5 c. 15
b. 10 d. 20
Q. 2 If the working pressure of a bulk oxygen system is 45 psig, all pressure-relief valves should be set at _____ psig.
a. 45 c. 67
b. 50 d. 80
Q. 3 Approximately how long will a liquid oxygen reservoir last when supplying 3 L/min to your pa-tient? The current reservoir weight is 20 lb, and the weight of an empty reservoir is 10 lb.
a. 19 hours c. 46 hours
b. 38 hours d. 119 hours
Q. 4 If a portable liquid oxygen reservoir is set to deliver 6 L/min and the current reservoir weight is 38 lb, it will take _____ hours for the reservoir to empty if the weight of an empty container is 10 lb.
a. 5 c. 27
b. 23 d. 36
Q. 5 Which of the following is (are) a small nebulizer compressor(s)? 1. Diaphragm 2. Liquid air 3. Rotary 4. Piston
a. 4 c. 1 and 2
b. 1 d. 1, 3, and 4
Q. 6 Which of the following types of compressor can accommodate a mechanical ventilator? 1. Diaphragm 2. Liquid air 3. Rotary 4. Piston
a. 1 c. 3 and 4
b. 2 and 4 d. 1, 3, and 4
Q. 7 During your home care visit on Monday morning, you weigh the patient's portable liquid oxygen reservoir. The liquid oxygen weighs 18 lb, and the patient is using 2 L/min. When should you schedule a visit to fill up the reservoir?
a. The next Monday c. Thursday afternoon
b. Wednesday morn-ing d. Friday afternoon
Q. 8 One liter of liquid oxygen weighs _____ oz.
a. 25 c. 86
b. 40 d. 860
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