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Brian's Practice Course > Equipment Operation - Flash Cards > Flashcards

Equipment Operation - Flash Cards

1
Q

The polarographic sensor measures ___

A

Oxygen.

There are 2 O’s in polarographic (O2)

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2
Q

Infrared absorption analyzer measures ___, ___, and ___

A

Carbon monoxide
Carbon dioxide
Methane

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3
Q

The Geissler tube ionizer measures ___

A

Nitrogen

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4
Q

Thermal conductivity mesures ___ (an inert gas) and is also know as the ___ ___.

A

Helium.
Known as the “wheatstone bridge”

Helium is inert and safe to use with heat.

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5
Q

A “chopper motor” is a part of what type of analyzer

A

Infrared absorption analyzer

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6
Q

This electrode measures CO2 in blood gas analyzers.

A

Severinghaus electrode

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7
Q

This electrode measures O2 in blood gas analyzers, and is known for being the “most troublesome electrode”.

A

Clark

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8
Q

Word association:

The following words are associated with the ___ electrode, which measures O2.

Platinum
Polypropylene
Polarizing
Pumice

It is also troublesome when used with a Mylar membrane.

A

Clark

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9
Q

This electrode measures pH in blood gas analyzers, and requires a KCl buffer solution.

A

Sanz

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10
Q

How many electrodes are in the Sanz electrode?

A

Two. The reference electrode and measuring electrode

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11
Q

With the Sanz electrode, what two steps should you use to troubleshoot “unstable”, “noisy” or “erratic” readings?

A
  1. Always check the tank levels first.
  2. Replace the membranes.
    * if the question states that you keep getting consistent unstable readings, the membrane needs to be replaced.

Note: Sanz electrode measures pH.

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12
Q

Calcium sulfate (aka Drierite) is a ___.

A

Desiccant. It removes water vapor from the gas.

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13
Q

Name 2 CO2 scrubbers used in pulmonary function testing.

A

Barium hydroxide

Sodium hydroxide

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14
Q

Name the “preferred” oxygen analyzer used in PFT’s.

What is the low and high calibration point for Fio2?

What is the low and high calibration point for exercise testing?

A

Galvanic fuel cell/Zirconium fuel cell

Fio2: 21% - 100%

Exercise testing (Feo2): 12% - 21%

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15
Q

This is a method used for quality control of blood gas analyzers.

*it is a device that allows precise gas mixtures to be equilibrated with a buffer solution or whole blood samples.

A

Tonometry

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16
Q

All breathing valves should have these 4 features.

A

low deadspace
low resistance
low compliance
easy to clean

17
Q

A sine wave rotary pump is used to calibrate this piece of PFT equipment.

A

Body box (body plethysmograph)

18
Q

At what heart rate should you stop a SVN treatment?

An increase in ___ bpm or more is considered an adverse reaction to an SVN tx.

A

Stop tx at 100 bpm

> 20 bpm is considered an adverse reaction.

19
Q

True or False:

A body box FRC will be larger than that of a helium diution or nitrogen washout test, because it includes trapped gas.

A

True.

20
Q

Body box calibration will involve:

Mouth pressure verification with a ___

Flow verification with a ___

Box pressure calibration with a ___ ___ ___ ___

A

Barometer (mercury or water)

Rotameter

Sine-wave rotary pump

21
Q

True or False:

The body box is the most accurate way to measure air trapping and FRC in patients with obstructive lung disease.

A

True

22
Q

When should you use an arm ergometer for exercise testing

A

When the patient is unable to perform leg exercise (no legs, leg injury, etc)

23
Q

What is the most common tool used for exercising the patient? Is it considered the best method?

A

Treadmill

No

24
Q

What exercise equipment would you recommend for a patient who is obese or is a fall risk on the treadmill?

A

Leg ergometer (stationary bicycle)

25
Q

What is the best ECG limb lead?

Which limb does the negative electrode go on?

A

Lead II.

Negative electrode goes on the right arm.

26
Q

What is the best ECG chest lead?

A

V5. It sits on top of the left ventricle.

27
Q

This is a common troubleshooting question:

If an alarm is activated on an air/oxygen proportioner (blender), what is most likely to be the problem? What should you do?

A

Low inlet pressure (< 40 psi)

You should check the gas source pressure.

28
Q

A water barometer is also known as a?

A

U-tube.

29
Q

What is the difference between disinfection and sterilization?

A

Disinfection kills pathogenic organisms.

Sterilization kills everything.

30
Q

True or False:

“Physical methods” of disinfection and sterilization such as

Steam autoclave
Pasteurization
Incineration
Irradiation

are not as effective as “chemical methods” such as

ethylene oxide
alkaline glutaraldehyde (Cidex).
A

True. Chemical methods are alway the better choice.

31
Q

What chemical should you use to clean blood spills?

A

Bleach

32
Q

Which chemical is best to use when sterilizing equipment (especially delicate/sensitive equipment) if cost is not a factor?

A

Ethylene oxide

33
Q

Which chemical is considered the next best option for disinfection/sterilization if ethylene oxide is not available, or costs is a factor?

A

Alkaline gluteraldehyde (Cidex)

34
Q

What two pieces of equipment should be available when performing cardiopulmonary stress testing?

A

Crash cart

Defibrillator

Brian's Practice Course (32 decks)

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