48 Questions
Which abbreviation stands for Fresh Gas Flow?
FGF
Which breathing system is commonly used in small animal practice?
T piece
Which breathing system is suitable for patient size >10kg?
Lack
Which breathing system relies on high Fresh Gas Flow?
Bain
Which breathing system is not suitable for IPPV?
Lack or Mini Lack
Which breathing system has a System Factor of 2?
Bain
Which breathing system has a System Factor of 1?
Lack or Mini Lack
Which breathing system has a bag on the expiratory limb?
T piece
Which equation can be used to calculate the fresh gas flow rate in a non-rebreathing system?
$\text{Fresh gas flow} = \text{Minute volume} \times \text{system factor}$
What is the equation to calculate the tidal volume in a non-rebreathing system?
$\text{Tidal volume} = 10 \text{mls/kg}$
What is the equation to calculate the minute volume in a non-rebreathing system?
$\text{Minute volume} = \text{Tidal volume} \times \text{respiratory rate}$
What is the equation to calculate the fresh gas flow rate in a non-rebreathing system using a system factor of 1?
$\text{Fresh gas flow} = \frac{1}{5} \times \text{Bodyweight}$
What is the equation to calculate the fresh gas flow rate in a non-rebreathing system using a system factor of 2.5?
$\text{Fresh gas flow} = \frac{1}{2} \times \text{Bodyweight}$
What is the purpose of a circle rebreathing system?
To warm and humidify the gas going to the patient
What is the purpose of soda lime in a circle rebreathing system?
To absorb CO2
What is the purpose of an induction chamber in anesthesia?
To reduce stress of handling
What is the purpose of adjustable pressure limiting valves in an anesthesia breathing system?
To prevent the bag from swelling or the patient's lungs from rupturing
How should an IPPV breath be given?
Manually close the valve, squeeze the bag to give the patient a breath, then opening the valve immediately
Which breathing system is commonly used in small animal practice?
T piece
Which breathing system relies on high Fresh Gas Flow?
Bain
Which abbreviation stands for Fresh Gas Flow?
FGF
What is the equation to calculate the fresh gas flow rate in a non-rebreathing system using a system factor of 1?
FGF = TV / SF
Which abbreviation stands for Carbon Dioxide?
CO2
Which breathing system has a bag on the expiratory limb?
T piece
What is the equation to calculate the tidal volume in a non-rebreathing system?
TV = FGF / SF
Which breathing system is suitable for patient size >10kg?
Lack of Mini Lack
Which breathing system has a System Factor of 2?
Circle rebreathing system
What is the equation to calculate the minute volume in a non-rebreathing system?
MV = FGF * SF
Which equation can be used to calculate the tidal volume in a non-rebreathing system?
Tidal volume = 10mls/kg
What is the equation to calculate the minute volume in a non-rebreathing system?
Minute volume = Tidal volume * respiratory rate
What is the equation to calculate the fresh gas flow rate in a non-rebreathing system using a system factor of 1?
Fresh gas flow = 1/5 * Bodyweight
What is the equation to calculate the fresh gas flow rate in a non-rebreathing system using a system factor of 2.5?
Fresh gas flow = 1/2 * Bodyweight
What is the purpose of soda lime in a circle rebreathing system?
To absorb CO2
What is the purpose of adjustable pressure limiting valves in an anesthesia breathing system?
To allow expelled gases and fresh gases to leave the breathing system if the pressure gets too high
Which equation can be used to calculate the fresh gas flow rate in a non-rebreathing system?
Fresh gas flow = Minute volume * system factor
What is the purpose of an induction chamber in anesthesia?
To reduce the risk of gas induction chamber drying out the patient's eyes
What is the equation to calculate the fresh gas flow rate in a non-rebreathing system using a system factor of 1?
Fresh gas flow = 1/5 * Bodyweight
What is the equation to calculate the fresh gas flow rate in a non-rebreathing system using a system factor of 2.5?
Fresh gas flow = 1/2 * Bodyweight
Which type of breathing system is suitable for use in an MRI?
Humphrey ADE Circle
What is a potential health and safety concern when using an induction chamber?
Lid opening
What is the purpose of adjustable pressure limiting valves in an anesthesia breathing system?
To prevent bag swelling
How should an IPPV breath be given using a bag?
Manually close the valve, squeeze the bag, then open the valve
What is the purpose of soda lime in a circle rebreathing system?
To absorb CO2
Which breathing system is commonly used in small animal practice?
T piece
Which breathing system is suitable for patient size >30kg?
None of the above
What is the purpose of soda lime in a circle rebreathing system?
To remove carbon dioxide from the patient
Which equation can be used to calculate the fresh gas flow rate in a non-rebreathing system using a system factor of 2.5?
FGF = TV * SF
What is the purpose of adjustable pressure limiting valves in an anesthesia breathing system?
To limit the pressure delivered to the patient's lungs
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.
Test your knowledge of breathing systems abbreviations with this quiz! See how well you know terms like FGF, TV, MV, and more. Challenge yourself to identify the different components of a breathing system and their functions. Perfect for medical professionals or anyone interested in anesthesia and respiratory care.
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