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Equipment > What will most likely be on the first exam > Flashcards

What will most likely be on the first exam Flashcards

1
Q

Laminar flow through a tube is slowest where?

A

along the inside edges of the tube.

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2
Q

in the US the oxygen flow meter must be the furthest to the right and the most downstream. (T or F)

A

TRUE

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3
Q

Excessive use of oxygen flush valve may result in?

A

inadequate anesthetic level

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4
Q

When reading the floats the bobbin reads from the (blank) and the ball reads from the (blank)

A

top, middle

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5
Q

A standing bellow (select 2)

A

Expands during exhalation,

makes it easy to detect disconnections.

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6
Q

Flow meters are interchangeable?

A

False

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7
Q

Female connectors are what size and male connectors are what size?

A

female are 15mm and male are 22mm

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8
Q

laminar flow follows what kind of lines and turbulent flow follows what lines?

A

laminar is parallel and turbulent is non-specific

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9
Q

When the elevation is above sea level like in Denver the amount of gas actually being delivered through the flow meter will be?

A

More than indicated on the flow meter because ambient pressure is less than the pressure that the flow meter was calibrated at. (calibrated at sea level)

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10
Q

why do most vents have standing bellows?

A

they will cease to rise/fall if there is a disconnect.

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11
Q

Most all gauges used in the operating room read?

A

Psig

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12
Q

What is Psig?

A

pounds per square inch gauge–the difference between the measured pressure and surrounding atmospheric pressure

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13
Q

what is the Psia

A

is the psig plus local atmospheric pressure.

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14
Q

FDA

A

Purity of gases

*controls standards for gases

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15
Q

DOT

A

*sets requirements for cylinders

manufacturing, marketing, labeling, filling, transportation, storage, handling, etc.

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16
Q

DOL and OSHA

A

Safety and health of employees

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17
Q

since 1988 all machines follow standards established by the

A

the American Society of Testing and Materials

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18
Q

Oxygen knob has to be?

A

uniquely shaped

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19
Q

Desflurane is a special vaporizer, how?

A

It requires a energy source to heat the vaporizer.

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20
Q

Of the following pressure relief devices, which does not need to be replaced if utilized?

A

pressure relief valve

21
Q

Know where the reserve tanks/ back up tanks are in a system.

A

reserve tanks will typically be three tanks to the right or B group and not the main big tank

22
Q

When will a nitrous oxide tank’s pressure begin to fall?

A

when the liquid in the tank is fully depleted

Shows up full until no liquid is left and only gas is left

23
Q

Most common tank size is what?

A

E

24
Q

The best way to identify the contents of a gas cylinder is the ?

A

label

25
Q

The Diameter Index Safety System is designed to prevent the connection of gas using devices to the wrong supply source

A

True

26
Q

ANSI serves what function? (agency)

A

Sets requirements for anesthesia machines

27
Q

Pipeline shutoff valves are —- valves and are —- with the pipeline when shut/close position?

A

Gate, perpendicular

28
Q

The Pin Index System’s positions for Oxygen, Nitrous Oxide, and Air respectively, are

A

2,5 and 3,5 and 1,5

29
Q 
Which gas goes with which colors?
green
grey
blue
yellow
A

green-oxygen
gray- carbon dioxide
Blue- nitrous
yellow - air

30
Q

The High-pressure circuit in a High/Intermediate/Low system may include ? (Select Three)

A

Hanger yoke

high pressure regulator

tank bourdon gauge

31
Q

The purpose of the high pressure regulator is?

A

To reduce high pressure from a tank to a working pressure

32
Q

Where is the high pressure area on a diagram?

A

where are the gas tanks are at. The most upstream area.

33
Q

If contamination or a construction crossover of piped medical gases in the operating room is suspected, which of the following actions should be taken?

A

The machine’s back up cylinder valve should be opened and the anesthesia machine should be disconnected from the hospital’s pipeline supply

34
Q

Tanks on the anesthesia machine should remain closed when utilizing pipeline gases for what reasons?(choose 2)

A

So the anesthetist maintains a reserve supply of oxygen at hand if pipeline supply fails

So the low oxygen pressure alarm will sound if pipeline supply fails, prior to any tank usage

35
Q

A scavenging system with suction applied is classified as active scavenging

A

True

36
Q

Intermediate pressures in the pipeline system are typically around __________psig, while intermediate pressures from the tank system are typically around ____________psig

A

50, 45

37
Q

Which vaporizer does not use an internal overcompensation machine?

A

TEC 6

38
Q

Which vaporizer is not a variable bypass vaporizer?

A

Tec 6 desflurane vaporizer

39
Q

When using a 3 vaporizer manifold , if one removes the —- vaporizer the interlock system safety will not work?

A

The vaporizer in the middle

40
Q

If flow is —– through a vaporizer, thermcompensation or supplied heat needs to —-?

A

increased, increased

41
Q

If a vaporizer is tilted > 45 degrees?

A

agent in vaporization chamber will likely decrease, agent in bypass chamber will likely increase.

42
Q

If a carrier gas flow through a vaporizer is increased, gas delivered to the patient —— and temperature of the liquid ——-?

A

increases, decreases

43
Q

If halothane is placed in an enflurane vaporizer and sevo is placed in an iso vaporizer; halothane delivered will be—–, and sevo delivered will be—-?

A

halo will be delivered higher

sevo will be delivered lower

44
Q

any concentration calibrated vaporizer is designed to be utilized for every volatile anesthetic except desflurane?

A

false, they are each calibrated for each specific gas.

45
Q

A sevo vaporizer will deliver an accurate concentration of an unknown volite anesthetic if the latter shares which property with sevo?

A

similar vapor pressures.

46
Q 
Vapor pressures for all gases
HALO
ENFL
ISO
DES
SEVO
A 
HALO - 243
ENFL - 175
ISO - 239
DES - 669
SEVO - 160
47
Q

Which gases have similar vapor pressures?

A

halo and iso (240ish)

enfl and sevo (170ish)

48
Q

formula for mixing gases in vaporizers to know what you will deliver based of the gas and vaporizer?

A

HLH
LHL
stating if you put a high vapor pressure in a low machine it will deliver more

and if you place a low gas in high machine it will deliver less.

Equipment (6 decks)

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