Anesthetic Machine Care QUIZ & LAB Flashcards

1
Q

T/F: The flush-valve bypasses the vaporizer and carbon dioxide absorber and delivers oxygen at a high flow rate.

A

True

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2
Q

T/F: The Soda Lime canister is responsible for scavenging waste anesthetic gases.

A

False

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3
Q

The proper reservoir bag size is 5x Tidal Volume and Tidal Volume in ml = patient weight in kg x 10

If the patient weighs 20kg what size reservoir bag do you need?

A

1 liter

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4
Q

Where on the anesthetic machine can you find a leak?
1. Reservoir bag
2. CO2 canister
3. O-rings
4. You can find a leak anywhere
5. Pop-off valve
6. Breathing tubes

A
  1. You can find a leak anywhere
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5
Q

Which of the following is incorrect? (Choose all of the INCORRECT statements)
1. Fresh CO2 granules will crumble
2. You should spray the vaporizer directly to clean it
3. The CO2 canisters should be cleaned weekly, or whenever you change the granules
4. Breathing circuits can be used for multiple patients without cleaning
5. The reservoir bags should be cleaned with dilute chlorhexidine solution daily

A

2 - You should spray the vaporizer directly to clean it
4 - Breathing circuits can be used for multiple patients without cleaning

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6
Q

How often should the vaporizer be professionally serviced and calibrated?
1. at least once every 3 months
2. at least once per year
3. at least once per month
4. at least once every 3 years

A
  1. at least once per year
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7
Q

In order, how do you perform a leak test? (9)

A
  1. Close pop off valve
  2. Turn on O2
  3. Obstruct the patient end of the circuit
  4. Turn on the flowmeter
  5. Allow the manometer to reach 30cmH2O
  6. Turn off the flowmeter
  7. Watch the manometer for 30 seconds
  8. Open the pop-off valve
  9. Release the patient end of the circuit
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8
Q

T/F: Unidirectional valves can stick open and create anesthetic problems if they are not cleaned regularly.

A

True

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9
Q

T/F: The charcoal canister that is attached to the scavenger hose can be used for 3 months or until it gains 100gm (whichever comes first).

A

False

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10
Q

T/F: There is no need to change soda lime granules if they are white in color.

A

False

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11
Q

T/F: To clean the vaporizer, you should spray it with chlorhexidene solution and allow to sit for 30 seconds.

A

False

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12
Q

If you are performing the leak test and the manometer needle shows a decreasing pressure, what are you next steps? Be specific as to what you would do and what it would mean.

A

Without letting go of patient end of circuit, turn flowmeter back on until the manometer reads 20cm/H2O. This shows how bad the leak is.
Listen for leaking in the breathing bag, valves, patient tubing, pop off valve, etc.
You can spray mild soap (not on vaporizer) on machine parts to see where bubbling occurs. Bubbling = leak.

Still having issues, ask for help!

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13
Q

Describe the daily cleaning of the anesthetic machine.
With what?
What parts?

A
  • With soft cloth & dilute chlorhexidine solution. Rinse & let air dry.
  • Parts: breathing bag, breathing circuit, inhale/exhalation disks, breathing system tubes/hoses.
    Vaporizer can be cleaned as needed. Do not spray directly, wipe down only.
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14
Q

Describe the weekly cleaning of the anesthetic machine.
With what?
What parts?

A
  • CO2 absorbent canister, soak with diluted chlorhexidine and water for 20-30min. Rinse well and air dry.
  • Flush dust out by flowing high oxygen thru the machine (carefully to not get dust in breathing circuits)
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15
Q

How often should you be leak testing an anesthesia circuit? Be specific.

A

Daily (every morning) before patient use.
Before/between surgeries.

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16
Q

Steps for administering positive pressure ventilation (PPV) (3)

A
  1. Close pop-off valve
  2. Properly “bag” patient to max pressure of 20cmH2O
  3. After giving breath, open pop-off valve
17
Q

What parts of an anesthetic machine can be dismantled? (7)

A
  1. Inspiratory/expiratory domes
    - Including floats & “O” rings.
  2. Liquid anesthetic fill knob
  3. CO2 cannister
    - Assess freshness
  4. Scavenger hose (both ends)
  5. Rebreathing bag
  6. Breathing hose
    - “F,” “Y,” & non-rebreathing
  7. O2 tank
18
Q

How to remove & place the oxygen tank on the anesthetic machine: (6)

A
  1. Turn off O2 tank & release O2 in the line by flushing it using the O2 flush valve until O2 gauge no longer registers.
  2. Loosen bracket and BRACE bottom of the O2 tank with your foot & carefully release it from the stand.
  3. Carefully & correctly place the O2 tank back in the yoke & tighten it.
  4. Turn the tank on & listen for leaks.
    - If leaking, turn OFF immediately!
  5. Re-tighten it in the bracket. Open the top valve & listen for leaking.
  6. Once completed without leaking, close tank down & flush the line again.
19
Q

Two extreme cautions to take when removing the oxygen tank:

A
  1. Do NOT drop the tank!
  2. Do NOT remove (or lose) the tiny “O” ring!