Breathing Systems Quiz

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Questions and Answers

Which abbreviation stands for Fresh Gas Flow?

  • TV
  • FGF (correct)
  • MV
  • SF

Which breathing system is commonly used in small animal practice?

  • Mini Lack
  • T piece (correct)
  • Bain
  • APL Valve

Which breathing system is suitable for patient size >10kg?

  • Bain
  • T piece
  • APL Valve
  • Lack (correct)

Which breathing system relies on high Fresh Gas Flow?

<p>Bain (B)</p> Signup and view all the answers

Which breathing system is not suitable for IPPV?

<p>Lack or Mini Lack (B)</p> Signup and view all the answers

Which breathing system has a System Factor of 2?

<p>Bain (A)</p> Signup and view all the answers

Which breathing system has a System Factor of 1?

<p>Lack or Mini Lack (D)</p> Signup and view all the answers

Which breathing system has a bag on the expiratory limb?

<p>T piece (A)</p> Signup and view all the answers

Which equation can be used to calculate the fresh gas flow rate in a non-rebreathing system?

<p>$\text{Fresh gas flow} = \text{Minute volume} \times \text{system factor}$ (D)</p> Signup and view all the answers

What is the equation to calculate the tidal volume in a non-rebreathing system?

<p>$\text{Tidal volume} = 10 \text{mls/kg}$ (B)</p> Signup and view all the answers

What is the equation to calculate the minute volume in a non-rebreathing system?

<p>$\text{Minute volume} = \text{Tidal volume} \times \text{respiratory rate}$ (C)</p> Signup and view all the answers

What is the equation to calculate the fresh gas flow rate in a non-rebreathing system using a system factor of 1?

<p>$\text{Fresh gas flow} = \frac{1}{5} \times \text{Bodyweight}$ (D)</p> Signup and view all the answers

What is the equation to calculate the fresh gas flow rate in a non-rebreathing system using a system factor of 2.5?

<p>$\text{Fresh gas flow} = \frac{1}{2} \times \text{Bodyweight}$ (B)</p> Signup and view all the answers

What is the purpose of a circle rebreathing system?

<p>To warm and humidify the gas going to the patient (D)</p> Signup and view all the answers

What is the purpose of soda lime in a circle rebreathing system?

<p>To absorb CO2 (D)</p> Signup and view all the answers

What is the purpose of an induction chamber in anesthesia?

<p>To reduce stress of handling (B)</p> Signup and view all the answers

What is the purpose of adjustable pressure limiting valves in an anesthesia breathing system?

<p>To prevent the bag from swelling or the patient's lungs from rupturing (A)</p> Signup and view all the answers

How should an IPPV breath be given?

<p>Manually close the valve, squeeze the bag to give the patient a breath, then opening the valve immediately (A)</p> Signup and view all the answers

Which breathing system is commonly used in small animal practice?

<p>T piece (C)</p> Signup and view all the answers

Which breathing system relies on high Fresh Gas Flow?

<p>Bain (A)</p> Signup and view all the answers

Which abbreviation stands for Fresh Gas Flow?

<p>FGF (B)</p> Signup and view all the answers

What is the equation to calculate the fresh gas flow rate in a non-rebreathing system using a system factor of 1?

<p>FGF = TV / SF (B)</p> Signup and view all the answers

Which abbreviation stands for Carbon Dioxide?

<p>CO2 (B)</p> Signup and view all the answers

Which breathing system has a bag on the expiratory limb?

<p>T piece (B)</p> Signup and view all the answers

What is the equation to calculate the tidal volume in a non-rebreathing system?

<p>TV = FGF / SF (D)</p> Signup and view all the answers

Which breathing system is suitable for patient size >10kg?

<p>Lack of Mini Lack (A)</p> Signup and view all the answers

Which breathing system has a System Factor of 2?

<p>Circle rebreathing system (D)</p> Signup and view all the answers

What is the equation to calculate the minute volume in a non-rebreathing system?

<p>MV = FGF * SF (A)</p> Signup and view all the answers

Which equation can be used to calculate the tidal volume in a non-rebreathing system?

<p>Tidal volume = 10mls/kg (C)</p> Signup and view all the answers

What is the equation to calculate the minute volume in a non-rebreathing system?

<p>Minute volume = Tidal volume * respiratory rate (B)</p> Signup and view all the answers

What is the equation to calculate the fresh gas flow rate in a non-rebreathing system using a system factor of 1?

<p>Fresh gas flow = 1/5 * Bodyweight (D)</p> Signup and view all the answers

What is the equation to calculate the fresh gas flow rate in a non-rebreathing system using a system factor of 2.5?

<p>Fresh gas flow = 1/2 * Bodyweight (C)</p> Signup and view all the answers

What is the purpose of soda lime in a circle rebreathing system?

<p>To absorb CO2 (D)</p> Signup and view all the answers

What is the purpose of adjustable pressure limiting valves in an anesthesia breathing system?

<p>To allow expelled gases and fresh gases to leave the breathing system if the pressure gets too high (A)</p> Signup and view all the answers

Which equation can be used to calculate the fresh gas flow rate in a non-rebreathing system?

<p>Fresh gas flow = Minute volume * system factor (A)</p> Signup and view all the answers

What is the purpose of an induction chamber in anesthesia?

<p>To reduce the risk of gas induction chamber drying out the patient's eyes (B)</p> Signup and view all the answers

What is the equation to calculate the fresh gas flow rate in a non-rebreathing system using a system factor of 1?

<p>Fresh gas flow = 1/5 * Bodyweight (C)</p> Signup and view all the answers

What is the equation to calculate the fresh gas flow rate in a non-rebreathing system using a system factor of 2.5?

<p>Fresh gas flow = 1/2 * Bodyweight (C)</p> Signup and view all the answers

Which type of breathing system is suitable for use in an MRI?

<p>Humphrey ADE Circle (D)</p> Signup and view all the answers

What is a potential health and safety concern when using an induction chamber?

<p>Lid opening (A)</p> Signup and view all the answers

What is the purpose of adjustable pressure limiting valves in an anesthesia breathing system?

<p>To prevent bag swelling (C)</p> Signup and view all the answers

How should an IPPV breath be given using a bag?

<p>Manually close the valve, squeeze the bag, then open the valve (D)</p> Signup and view all the answers

What is the purpose of soda lime in a circle rebreathing system?

<p>To absorb CO2 (B)</p> Signup and view all the answers

Which breathing system is commonly used in small animal practice?

<p>T piece (A)</p> Signup and view all the answers

Which breathing system is suitable for patient size >30kg?

<p>None of the above (D)</p> Signup and view all the answers

What is the purpose of soda lime in a circle rebreathing system?

<p>To remove carbon dioxide from the patient (B)</p> Signup and view all the answers

Which equation can be used to calculate the fresh gas flow rate in a non-rebreathing system using a system factor of 2.5?

<p>FGF = TV * SF (C)</p> Signup and view all the answers

What is the purpose of adjustable pressure limiting valves in an anesthesia breathing system?

<p>To limit the pressure delivered to the patient's lungs (C)</p> Signup and view all the answers

Flashcards

FGF

Fresh Gas Flow

T piece

Commonly used in small animal practice.

Lack

Suitable for patients >10kg.

Bain

Relies on high Fresh Gas Flow

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Lack or Mini Lack

Not suitable for Intermittent Positive Pressure Ventilation (IPPV).

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Bain

Has a System Factor of 2

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Lack or Mini Lack

Has a System Factor of 1

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T piece

Has a bag on the expiratory limb

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FGF Calculation

Fresh gas flow = Minute volume × system factor

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Tidal Volume Equation

Tidal volume = 10 mls/kg

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Minute Volume Equation

Minute volume = Tidal volume × respiratory rate

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FGF Calculation (SF=1)

Fresh gas flow = (1/5) × Bodyweight

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FGF Calculation (SF=2.5)

Fresh gas flow = (1/2) × Bodyweight

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Circle System Purpose

To warm and humidify the gas going to the patient

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Soda Lime Purpose

To absorb CO2

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Induction Chamber Purpose

To reduce stress of handling

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APL Valve Purpose

To prevent the bag from swelling or the patient's lungs from rupturing

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IPPV Breath Delivery

Manually close the valve, squeeze the bag to give the patient a breath, then opening the valve immediately

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CO2

Carbon Dioxide

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APL Valve Explanation

To allow expelled gases and unused fresh gases to leave the breathing system if the pressure gets too high

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Induction Chamber

To reduce the risk of gas induction chamber drying out the patient's eyes

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MRI Breathing System

Humphrey ADE Circle

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Induction Chamber Health & Safety

Lid opening

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APL Purpose

To prevent bag swelling

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Soda Lime Purpose

To remove carbon dioxide from the patient

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APL function

To limit the pressure delivered to the patient's lungs

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Study Notes

Breathing Systems in Anesthesia

  • FGF stands for Fresh Gas Flow.
  • The breathing system commonly used in small animal practice is the Bain system.
  • Breathing systems suitable for patient sizes >10kg are the circle system and the Lack system.
  • The breathing system that relies on high Fresh Gas Flow is the non-rebreathing system.
  • The Mapleson E and F systems are not suitable for IPPV.
  • The Mapleson D system has a System Factor of 2.
  • The Mapleson A system has a System Factor of 1.
  • The breathing system with a bag on the expiratory limb is the Mapleson E system.

Non-Rebreathing Systems

  • The equation to calculate the fresh gas flow rate is FGF = (tidal volume x respiratory rate) / system factor.
  • The equation to calculate the tidal volume is VT = (minute volume x system factor) / respiratory rate.
  • The equation to calculate the minute volume is MV = VT x respiratory rate.
  • The equation to calculate the fresh gas flow rate using a system factor of 1 is FGF = VT x respiratory rate.
  • The equation to calculate the fresh gas flow rate using a system factor of 2.5 is FGF = (VT x respiratory rate) / 2.5.

Circle Rebreathing System

  • The purpose of a circle rebreathing system is to conserve anesthetic gases and reduce pollution.
  • The purpose of soda lime in a circle rebreathing system is to absorb carbon dioxide.
  • CO2 stands for Carbon Dioxide.

Induction Chamber

  • The purpose of an induction chamber in anesthesia is to induce anesthesia in a controlled environment.

Safety Features

  • Adjustable pressure limiting valves in an anesthesia breathing system prevent barotrauma.
  • A potential health and safety concern when using an induction chamber is anesthetic gas accumulation.
  • An IPPV breath should be given slowly and smoothly using a bag.

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