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Test 1 > Machine - Lecture 1 > Flashcards

Machine - Lecture 1 Flashcards

1
Q

What are the 3 major pressure units (PSI)?

A
  1. PSI, PSIg, PSIa
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2
Q

What is PSI?

A

Pounds per square inch

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3
Q

What is PSIg?

A

Pounds per square inch gauge.

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4
Q

What is PSIa?

A

Pounds per square inch absolute.

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5
Q

PSIg is the difference between which two pressures?

A

measured pressure and surrounding atmospheric pressure

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6
Q

PSIa is based on the reference point of what?

A

zero pressure for a perfect vacume.

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7
Q

PSIg + atmospheric pressure =

A

PSIa

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8
Q

What are the features of the gas supply?

A
  1. connections 2. components 3. sizes & contents 4. markings 5. use
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9
Q

What are the features of the pipeline?

A

1 components 2. problems

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10
Q

Most common cylinder?

A

E

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11
Q

3 less common gasses that are provided in cylinders

A
  1. helium 2. heliox 3. carbon dioxide.
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12
Q

These 3 common gasses can hook up to the machine at which outlet?

A

common gas outlet

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13
Q

Valve stem?

A

located on superior portion of cylinder.

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14
Q

Valve outlet?

A

gas outlet port

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15
Q

index holes?

A

connector ports locking cylinder to pins.

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16
Q

Cylinder valve

A

portion superior to gas tank.

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17
Q

Yoke

A

bracket on back of machine

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18
Q

index pins?

A

(on anesth machine) connect to index holes.

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19
Q

T handle?

A

(on anesth machine) clamps on cylinder. Locking it in place. Handle.

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20
Q

PISS acronym

A

Pin Index Safety System

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21
Q

What is the PISS?

A

Method of ensuring the index pins match up to a speecific tank. Safety mechanism.

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22
Q

Installing an E cylinder (steps)

A
  1. place gasket over yoke inlet. 2. align holes in the cylinder valve with pins on yoke. 3 push cylinder forward and into yoke. 4. rotate yoke arm upwards and over until the arm engages with other side of yoke. 5. turn t-handle clockwise until it is tight and holds the cylinder firmly in place. 6. To open cylinder, turn the cylinder valve at least one to two turns counterclockwise using a cylinder wrench.
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23
Q

Why do we turn off the O2 cylinder?

A
  1. to preserve 02 sensor 2. to eliminate silent depletion.
24
Q

When do we replace the O2 cylinder?

A

WHen <500PSI

25
Q

What PSI is the cylinder regulator set to?

A

45psi

26
Q

What PSI is the wall regularotr set to?

A

50psi

27
Q

What is the PSI restriction of the pressure relief valve?

A

75psi

28
Q

Order of tanks from smallest to largest?

A

B D E M G H

29
Q

What is heliox used for?

A

foreign object obstruction

30
Q

Liter/PSI for E cylinder of air?

A

625/2000

31
Q

Liter/PSI for E cylinder of CO2?

A

1590/838

32
Q

Liter/PSI for E cylinder of He?

A

500/1600

33
Q

Liter/PSI for E cylinder of HeO2?

A

500/+ ?

34
Q

Liter/PSI for E cylinder of N2?

A

610/1900

35
Q

Liter/PSI for E cylinder of N20?

A

1590/745

36
Q

Liter/PSI for E cylinder of O2?

A

660/2200

37
Q

Liter/PSI for H cylinder of Oxygen?

A

6900/15800

38
Q

Color for O2?

A

Green

39
Q

Color for air?

A

Yellow

40
Q

Color for N20?

A

Blue

41
Q

Color for He?

A

Brown

42
Q

Color for Heliox?

A

Brown green

43
Q

Color for CO2?

A

Gray

44
Q

Color for N2?

A

Black

45
Q

Which two gasses exist in a gas/liquid state?

A

N20 and CO2

46
Q

At what point does N20 become solely gaseous?

A

745PSI and 300L

47
Q

Pipeline PSIg pressure?

A

50

48
Q

Which pipeline gas is provided using multiple cylinders?

A

N2O

49
Q

What does DISS stand for?

A

Diameter Index Safety System

50
Q

Which is more prone to leaks, DISS or PISS?

A

DISS

51
Q

What’s a common problem with DISS systems (besides leaks)?

A

DISS can be “hacked’” to connect to any connector and they’re not standardized.

52
Q

A function of shutoff valves is that they isolate specific piping system areas without turning off what

A

the entire/rest of the system

53
Q

What are two pipeline alarms?

A
  1. Master Alarm System and 2. Area (local) alarm System
54
Q

What is the Master Alarm System?

A
  1. monitors central supply & distribution
55
Q

What is the area (local) alarm system?

A
  1. measures only a specific area.
56
Q

Do area alarm systems go through the anesthesia machine?

A

No

Test 1 (18 decks)

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