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From Flashcardlet > 312-UNIT ONE EXAM > Flashcards

312-UNIT ONE EXAM Flashcards

This flashcard deck was created using Flashcardlet's card creator

0
Q

Color code for tanks containing Carbon dioxide (CO2)

A

Gray

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1
Q

Color code for tanks containing Oxygen (O2)

A

Green

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2
Q

Color code for tanks containing Nitrous oxide

A

Blue

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3
Q

Color code for tanks containing Cyclopropane

A

Orange

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4
Q

Color code for tanks containing Helium

A

Brown

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5
Q

Color code for tanks containing Ethylene

A

Red

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6
Q

Color code for tanks containing Carbon dioxide–Oxygen

A

Gray/Green

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7
Q

Color code for tanks containing Helium–Oxygen

A

Brown/Green

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8
Q

Color code for tanks containing Nitrogen

A

Black

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9
Q

Color code for tanks containing Air

A

Yellow

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10
Q

Color code for tanks containing Nitrogen–Oxygen

A

Black/Green

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11
Q

Compressed Gas Association

A
  • Recommending agency
  • Creates standards and safety systems for compressed gas systems
  • Recommends color codes
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12
Q

National Fire Protection Association (NFPA)

A
  • Only recommending agency, but standards are often written into state and local laws
  • Standards concern storage of medical gases, piping systems, and bulk oxygen systems
  • Compliance with standards may be required by JCAHO
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13
Q

Department of Transportation (DOT)

A
  • Regulating agency

* Responsible for regulating compressed gas cylinder and their transportation

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14
Q

Cylinders are marked by

A

Metal stampings on their shoulders

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15
Q

Letters ICC on cylinders were manufactured

A

Before 1970

–anything new since then is marked with DOT

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16
Q

3A cylinders are made from

A

Carbon steel

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17
Q

3AA Cylinders are made from

A

Steel alloy and are stronger than carbon steel cylinders

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18
Q

Oxygen

–Is it flammable?
–Does support life?

A

It supports combustion

And supports life

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19
Q

Compressed AIR

–Is it flammable?

–Does it support life?

A

It supports combustion

And it supports life.

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20
Q

Carbon dioxide

–Is it flammable?

–Does it support life?

A

It is NOT flammable

And does NOT support life

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21
Q

Helium

–Is it flammable?

–Does it support life?

A

It is NON-flammable and will NOT burn

It does NOT support life

*Combined with oxygen to eat airway obstruction

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22
Q

Nitrous oxide

–Is it flammable?

–Does it support life?

A

It does support combustion

And does NOT support life

*Must always be combined with at least 20% Oxygen

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23
Q

Nitric oxide

–Is it flammable?

–Does it support life?

A

It is NON-flammable, but DOES support combustion

It will NOT support life

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24
Q

A Bourdon Gauge flowmeter is a ___________ gauge that is calibrated to display __________

A

Pressure; flow rate

25
Q

The bourdon gauge flowmeter is classifies as…

A

Fixed orifice/ variable pressure, flow metering device

26
Q

If back pressure is applied to a bourdon gauge flow meter, it will indicate

A

A flow higher than the actual flow

27
Q

Is the bourdon gauge flow meter affected by gravity?

A

NO-gravity does not influence the bourdon gauge flow meter

28
Q

Single stage regulators will have how many stages?

A

One pressure relief device

29
Q

Multi stage regulators will have how many stages?

A

They will have TWO or MORE pressure relief devices

30
Q

How is Medical grade Oxygen manufactured?

A

Through fractional distillation

31
Q

Describe fractional distillation.

A
  • Clean air is fed through a compressor and cooled by refrigeration
  • The cold air is transferred through a nozzle still cooling further causes it to liquefy
  • The liquid air is then filtered to remove solid Carbon dioxide and hydrocarbons, then distilled
  • Liquid air is moved to column with heater
  • Nitrogen gas has lowest boiling point and therefor passes off as gas first
  • Argon has second boiling point and is then passed off as gas
  • Liquid oxygen collects at the bottom
32
Q

Explain the medical use of helium.

A

When Helium is combined with oxygen, to make Heliox, it is used to treat airway obstruction. It is also easier for asthmatic patients to breathe.

33
Q

Explain the purpose of cracking a cylinder before use.

A

To rid the opening of dust or debris before setting up the patient to the tank

34
Q

Explain how to determine if flow meter is compensated.

A

If the needle valve is located distal to plunger float (ball)

35
Q

Explain how to determine if flow meter is uncompensated.

A

If the needle valve is located proximal to the plunger float (ball)

36
Q

If back pressure is applied to an uncompensated Thorpe flow meter, what does the flow indicate?

A

It will indicate a flow lower than the actual flow being delivered

37
Q

If back pressure is applied to a compensated Thorpe flow meter, what will the ball indicate?

A

If back pressure is applied to the distal, the float will indicate the actual flow being delivered

38
Q

What is the boiling point of Oxygen?

A

90.2 Kelvin is the BP of Oxygen

39
Q

What is the boiling point of Argon?

A

87.5 Kelvin is the BP of Argon

40
Q

What is the boiling point of Nitrogen?

A

77.4 Kelvin is the BP of Nitrogen

41
Q

Explain Pin-Idexed Safet Systems (PISS)

A

This safety system is used with E cylinders and smaller

Incorporates a yoke where two pins on the regulator connection (yoke) are matched to hole on the cylinder valve (post type valve)

42
Q

Pin positions for oxygen are?

A

2 & 5

43
Q

Pin positions for AIR are?

A

1 & 5

44
Q

American Standard Safety System (ASSS)

A

Used with large-sized cylinders

Have different variations of threaded outlets indexed by:
•Thread type
•Thread size
•Right or left handed threading
•External or internal threading
•Nipple seat design
45
Q

Diameter-Indexed Safety Systems (DISS)

A 
Found on all connections for low pressures (<200 psi)
–Examples:
Outlets of regulators
Flowmeters
Oxygen concentrators
High pressure hoses
Wall outlet of central piping system

Used for connections where frequent equipment changes are made

46
Q

What is the purpose and importance of zone valves?

A

Each zone valve can shut off gas to a specific area in case of fire, massive leaks, or repairs to system

47
Q

Describe the type of valve a E cylinder and smaller have.

A

They have a post-type valve (yolk)

48
Q

Describe the type of valve found on F cylinders and larger.

A

They will have a threaded valve

49
Q

Name the types of flow meters.

A

Bourdon gauge flow meter
Compensated Thorpe tube
Uncompensated Thorpe tube

50
Q

Name the types of quick connects most commonly used.

A

Ohio quick connect

NCG quick connect

51
Q

Describe the characteristics of Oxygen (O2)

A

Therapeutic gas

  • colorless
  • tasteless
  • supports life
  • supports combustion
52
Q

AIR (compressed air)

A
  • most commonly used therapy gas
  • colorless
  • tasteless
  • supports life
  • supports combustion
53
Q

Components of a Flow meter

A
  • Needle valve
  • Thorpe tube
  • DISS outlet
  • Quick connect or DISS adapter to fit station outlet
  • Calibrated flow scale
  • Ball float
54
Q

Diaphragm Compressor:

A

Typically used to power small nebulizers

55
Q

Piston-type Compressors:

A

To reduce wear on compressor, a reservoir holding tank receives the compressed air and stores it at a higher pressure than needed in the piping system

A dryer removes humidity from the air and a reducing valve reduces the pressure to 50 psi

56
Q

Rotary Compressor:

A

Required to supply pressure at 50 psi

57
Q

Name the LABORATORY GASES

A

Nitrogen, Helium, Carbon dioxide

58
Q

Name the THERAPEUTIC GASES

A 
AIR
Oxygen
Heliox
Carbon dioxide/Oxygen
Nitric oxide
59
Q

Name the ANESTHETIC GASES

A

Nitrous oxide
Cyclopropane
Ethylene

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