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In the event of a fire in a hospital,which of the following might be necessary? 1) Provide supplemental oxygen to patients who require it. 2) Shut off oxygen zone valves to the affected area. 3) Shut off the main oxygen valve. 4) Check oxygen line pressure.


A) 3
B) 1 and 2
C) 2 and 4
D) 3 and 4

E) A) and B)
F) C) and D)

Correct Answer

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What is the cylinder color for nitrous oxide?


A) Red
B) Black and white
C) Brown
D) Light blue

E) A) and C)
F) All of the above

Correct Answer

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Which gas law is applied in a fusible-plug pressure-relief valve?


A) Boyle's
B) Charles'
C) Dalton's
D) Gay-Lussac's

E) B) and C)
F) A) and D)

Correct Answer

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Wood's metal is used to make:


A) gas cylinders.
B) fusible-plug pressure-relief valves.
C) rupture-disk pressure-relief valves.
D) spring-loaded pressure-relief devices.

E) B) and C)
F) None of the above

Correct Answer

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Medical gas cylinder valve outlets always have connections that are _____-handed and _____.


A) right; external
B) right; internal
C) left; external
D) left; internal

E) A) and C)
F) B) and C)

Correct Answer

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The application of Gay-Lussac's law in a bulk liquid oxygen system:


A) accounts for the conversion of the liquid oxygen to gaseous oxygen.
B) allows the reservoir contents to be maintained in the liquid state.
C) keeps the liquid oxygen above its critical temperature.
D) allows the gas to be maintained at 50 psig.

E) A) and B)
F) A) and D)

Correct Answer

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The type of station outlet connection that uses noninterchangeable thread fittings to connect gas-powered devices to station outlets is known as:


A) regulator.
B) quick-connect adapter.
C) Pin Index Safety System.
D) DISS.

E) None of the above
F) C) and D)

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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 protective caps.
C) Cylinder carts used in the operating room must be grounded.
D) Transportation must occur on an appropriate cart, onto which the cylinder is secured by a chain.

E) All of the above
F) A) and B)

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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.

E) None of the above
F) A) and B)

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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
B) Wednesday morning
C) Thursday afternoon
D) Friday afternoon

E) B) and D)
F) A) and D)

Correct Answer

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Which of the following "E" size oxygen cylinders will last the longest? Pressure Flow (psig) (L/min)


A) 1600 3
B) 1400 2.5
C) 800 2
D) 400 1

E) All of the above
F) B) and C)

Correct Answer

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An "E" size cylinder with 1600 psig is used to provide oxygen to a simple mask running at 5 L/min during a transport.The cylinder will last:


A) 8 hours.
B) 56 minutes.
C) 68 minutes.
D) 89 minutes.

E) A) and B)
F) A) and C)

Correct Answer

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What is the purity standard for oxygen?


A) 99%
B) 98%
C) 97%
D) 95%

E) A) and D)
F) A) and B)

Correct Answer

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Which size cylinder is currently used for the storage of nitric oxide?


A) 61.4 cubic feet
B) 82 cubic feet
C) 110 cubic feet
D) 152 cubic feet

E) None of the above
F) C) and D)

Correct Answer

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Which of the following statements is (are) true with regard to liquid bulk systems? 1) Liquefied oxygen occupies a fraction of the space required for the storage of gaseous oxygen. 2) The CGA regulates the construction of liquid oxygen systems. 3) A bulk oxygen system contains more than 40,000 ft of oxygen. 4) The working pressure of a liquid bulk oxygen system is 50 psig.


A) 2
B) 3 and 4
C) 1 and 3
D) 1 and 4

E) B) and D)
F) All of the above

Correct Answer

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The function of the vaporizer of a liquid bulk oxygen system is to:


A) act as a pressure release.
B) reduce the pressure to 50 psig.
C) convert liquid oxygen to gaseous oxygen.
D) allow heat to be released into the environment.

E) B) and C)
F) A) and D)

Correct Answer

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According to the NFPA,the minimum distance for a place of public assembly from a bulk oxygen storage system is how many feet?


A) 10
B) 15
C) 25
D) 50

E) A) and D)
F) A) and C)

Correct Answer

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Carbon dioxide can be obtained by which of the following methods?


A) Heating uranium ore
B) Combustion of natural gas
C) Fractional distillation of liquid air
D) Oxidizing ammonia at high temperatures

E) B) and D)
F) B) and C)

Correct Answer

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The best position for the cylinder valve when it is being used is:


A) completely open.
B) two turns toward the left.
C) one turn, open toward the right.
D) one half-turn back from completely open.

E) A) and B)
F) All of the above

Correct Answer

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The cylinder outlet diameter for a "G" size oxygen cylinder is _____ inches.


A) 0.830
B) 0.903
C) 0.960
D) 0.965

E) A) and D)
F) A) and C)

Correct Answer

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Showing 41 - 60 of 101

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