Anesthesia Equipment Chapter 2 Flashcards

end of chapter questions

1
Q

The normal pipeline pressure (in kPa) for oxygen, nitrous oxide, and air in the US is:

A

345 - 380 kPa

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2
Q

The most frequently reported malfunction in medical gas pipeline systems is:

A

inadequate pressure

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3
Q

Compressed air is most often supplied by:

A

compressors

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4
Q

The DISS is used for devices at pressures of ____ or less. (in kPa and psi)

A

1380 kPa or 200 psi

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5
Q

What are the results of increased pressure in the oxygen pipeline system?

A

gas blender malfunction

ventilator malfunction

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6
Q

The following provide standards for pipeline systems:

A

National Fire Protection Association (NFPA)

Compressed Gas Association (CGA)

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7
Q

Functions of the Joint Commission on Accreditation of Healthcare Organizations (JCAHO) in relation to medical gas pipeline systems include:

A

Ensuring compliance with the various standards that apply to pipeline systems

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8
Q

Central gas supplies may be located:

A

inside in a special room used only for this purpose

outdoors

in an enclosure

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9
Q

Oxygen may be supplied to the pipeline system by:

A

G and H cylinders

oxygen concentrators

bulk liquid systems

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10
Q

Vaporization of liquid oxygen in a bulk tank will result in:

A

loss of oxygen to the atmosphere

loss of oxygen that may be greater than demand

significant loss of oxygen even though there is no use

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11
Q

Heat must be supplied to vaporize liquid oxygen because:

A

the heat of vaporization will cause the temp to fall

as the temp falls, the pressure in the tank falls

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12
Q

NFPA regulations require a shutoff valve:

A

outside each operating room

at each riser, adjacent to the connection to the main supply line

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13
Q

A master alarm system panel should be located:

A

in the office of the person responsible for maintenance of the system

at the switchboard or security office

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14
Q

The DISS:

A

achieves non-interchangeability by using different screw threads

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15
Q

Preuse testing of a pipeline system should include:

A

pressure testing

purge testing

testing for cross connections

testing for the purity of the gases

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16
Q

Quick connectors:

A

provide non-interchangeable connections

allow apparatus to be connected or disconnected by a single action

may require the use of one or both hands

do not require the use of tools

17
Q

Cross connections of pipelines:

A

may be caused by devices not in use

are most commonly associated with construction, alterations, or repair

18
Q

Which components are part of a medical gas distribution system?

A

Central supply
Pipelines
Terminal Units

19
Q

Location of area alarms include:

A

critical life support areas

upstream of the shutoff valve in anesthetizing locations

each anesthetizing location

downstream of the shutoff valve in the critical life support areas

20
Q

When will an alarm be activated?

A

When the reserve supply begins to supply the system

When the secondary supply begins to supply the system