Airway Management Devices Quiz

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Questions and Answers

What is the main purpose of an oropharyngeal airway?

To maintain the patency of the upper airway (correct)

To aid in vocal cord function

To support the lower airway

To assist in breathing through the nose

What can lead to airway obstruction addressed by an oropharyngeal airway?

Elevated blood pressure

Increased respiratory rate

Improved pharyngeal tone

Decreased level of consciousness (correct)

Which type of oropharyngeal airway is mentioned as the most common?

Jackson airway

Berman airway

Meyer airway

Guedel airway (correct)

In what part of the body is an oropharyngeal airway inserted?

Oropharynx above the tongue Signup and view all the answers

What is the purpose of the black line on the laryngeal mask tube?

To assess the mask's orientation when inserted Signup and view all the answers

What is the mechanism of action for the i-gel airway?

The soft, gel-like plastic molds into place without an inflatable cuff Signup and view all the answers

What feature distinguishes the i-gel airway from traditional laryngeal masks?

It does not require an inflatable cuff Signup and view all the answers

How does the i-gel airway prevent epiglottic down-folding?

Through an epiglottic blocking ridge Signup and view all the answers

What is the purpose of the second drain tube in the i-gel airway?

To allow for direct suctioning or passage of a gastric tube Signup and view all the answers

What is the main purpose of the flange at the oral end of an oropharyngeal airway?

To prevent it from falling back into the mouth Signup and view all the answers

What is the function of the bite portion of an oropharyngeal airway?

Prevent occlusion by fitting between the teeth Signup and view all the answers

What is one of the problems associated with oropharyngeal airways?

Trauma to tissues during insertion Signup and view all the answers

What distinguishes a Guedel airway from a Bermann airway?

The presence of a side opening for removal before tracheal tube insertion Signup and view all the answers

What is an alternative type of airway inserted through the nose into the nasopharynx?

Nasopharyngeal airway Signup and view all the answers

What feature should be maximized in the air channel of an oropharyngeal airway?

The cross-sectional area Signup and view all the answers

What is the seal pressure required for adequate seal for spontaneous and mechanical ventilation using LMA Supreme?

20-25 cm H2O Signup and view all the answers

Which type of laryngeal mask allows up to 35 cm H2O seal pressure?

LMA-Proseal Signup and view all the answers

How should the laryngeal mask be prepared before use?

Cuff deflated and lubricated Signup and view all the answers

For what purpose can a reinforced laryngeal mask be used?

Head and neck surgery Signup and view all the answers

What is the design purpose of ILMA (Intubating Laryngeal Mask Airway)?

Facilitate tracheal intubation with a tracheal tube Signup and view all the answers

What feature of LMA-Proseal distinguishes it from LMA Supreme in terms of seal pressure?

Allows higher seal pressure (up to 35 cm H2O) Signup and view all the answers

What makes the wide internal diameter of LMA Supreme suitable for long procedures with spontaneous ventilation?

It reduces flow resistance Signup and view all the answers

In what context can ILMA be used?

To facilitate tracheal intubation with a tracheal tube while minimizing head and neck manipulation Signup and view all the answers

What makes prolonged use with spontaneous ventilation less suitable for reinforced laryngeal mask?

It has larger and longer tubes that increase flow resistance Signup and view all the answers

What is the primary function of LMA Supreme?

Facilitates easy insertion and reduces gas leak Signup and view all the answers

What distinguishes ILMA from other types of laryngeal masks?

Designed specifically to facilitate tracheal intubation with a tracheal tube while minimizing head and neck manipulation. Signup and view all the answers

What is the primary purpose of laryngeal masks during anesthesia?

To provide an alternative to face masks and tracheal tubes Signup and view all the answers

What distinguishes the LMAProSeal from other laryngeal mask versions?

It includes an additional lumen for blind passage of an orogastric tube Signup and view all the answers

What is a feature of the LMA Supreme that contributes to its improved seals?

A second seal at the oropharyngeal level Signup and view all the answers

What is a potential contraindication for using laryngeal masks?

Full stomas Signup and view all the answers

What is a potential advantage of using laryngeal masks over tracheal tubes?

Improved oxygenation during anesthesia Signup and view all the answers

What is a distinguishing feature of low-cost disposable laryngeal masks?

They have a transparent tube with a wide internal diameter and a standard 15mm connection Signup and view all the answers

In what context should laryngeal masks be used early?

"Cannot intubate, cannot ventilate" scenario Signup and view all the answers

What type of reflexes do extraglottic airways elicit?

Airway reflexes like the gag reflex Signup and view all the answers

What is a potential drawback of using laryngeal masks?

Minimal or no protection against aspiration of refluxed gastric contents Signup and view all the answers

What is required for successful use of laryngeal masks in anesthesia?

Suppression of pharyngeal reflexes by general or topical anesthesia Signup and view all the answers

In what situations are laryngeal masks particularly helpful?

When intubation is difficult Signup and view all the answers

Study Notes

LMA Supreme: single-use laryngeal mask with a unique shape and size that facilitates easy insertion and reduces gas leak
Seal pressure: 20-25 cm H2O for adequate seal for spontaneous and mechanical ventilation
LMA-Proseal: allows up to 35 cm H2O seal pressure
Preparation: cuff deflated and lubricated before use, inserted through the mouth
Wide internal diameter: reduces flow resistance, suitable for long procedures with spontaneous ventilation
Assistance in difficult intubation: can be used to introduce a bougie or narrow lumen tube into the trachea or guide passage of a fiberoptic bronchoscope
Reinforced laryngeal mask: used for head and neck surgery, has larger and longer tubes that increase flow resistance, making prolonged use with spontaneous ventilation less suitable
ILMA (Intubating Laryngeal Mask Airway): designed to facilitate tracheal intubation with a tracheal tube while minimizing head and neck manipulation, available in single-use.
Laryngeal masks are frequently used as an alternative to face masks or tracheal tubes during anesthesia.
They consist of a transparent tube with a wide internal diameter, a standard 15mm connection, and an ellipse-shaped cuff at the distal end.
The cuff is inflated via a pilot balloon with a self-sealing valve.
Low-cost disposable laryngeal masks have been introduced and are widely used.
A modified design (LMAProSeal) includes an additional lumen for blind passage of an orogastric tube and helps in the drainage of gastric air or secretions.
LMA Supreme is a single-use version that combines the best features of previous LMA versions and has an ellipse-shaped cuff and an anatomically-shaped curve for easier insertion and better seals.
The first seal is essential for adequate gas exchange and is located at the oropharyngeal level, while the second seal reduces the risk of stoma insufflation during ventilation and provides a passive conduit for regurgitation or active suctioning of gastric content.
These devices are increasingly used in various settings, including routine anesthesia, emergency airway management, and as an aid to intubation.
They require pharyngeal reflexes to be suppressed by general or topical anesthesia.
They should not be used in patients with full stomas or those prone to reflux due to minimal or no protection against aspiration of refluxed gastric contents.
Extraglottic airways elicit airway reflexes like the gag reflex.
They are helpful in situations where intubation is difficult, giving the clinician time to secure a definitive airway.
They provide better hemodynamic stability and improved oxygenation during anesthesia.
They can be inserted more easily and quickly, especially by less experienced personnel.
The use of laryngeal masks can improve the quality of anesthesia and reduce the risk of complications.
The LMA Supreme version offers better insertion success and improved seals.
LMAProSeal includes a drain tube that allows for blind passage of an orogastric tube and facilitates the drainage of gastric air or secretions.
These devices can be used for routine anesthesia, emergency airway management, and as an aid to intubation.
They can provide better cardiac stability and improved oxygenation during anesthesia.
They can be used more easily and quickly, especially by less experienced personnel.
These devices should be used early in the "cannot intubate, cannot ventilate" scenario.
They provide minimal or no protection against aspiration of refluxed gastric contents and are contraindicated in patients with full stomas or those prone to reflux.
Extraglottic airways elicit airway reflexes and require the pharyngeal reflexes to be suppressed.
They are an alternative to face masks or tracheal tubes during anesthesia.
They have a transparent tube with a wide internal diameter and a standard 15mm connection.
They consist of an ellipse-shaped cuff that is inflated via a pilot balloon.
Low-cost disposable options are available, as well as modified designs.
The design of the LMAProSeal includes an additional lumen for the passage of an orogastric tube.
The LMA Supreme is a single-use version that combines the best features of previous LMA versions.
LMAs are increasingly used in a variety of settings, including routine anesthesia, emergency airway management, and as an aid to intubation.
They provide a better seal and improve the quality of anesthesia.
They can be used more easily and quickly, especially by less experienced personnel.
They require pharyngeal reflexes to be suppressed.
They are contraindicated in patients with full stomas or those prone to reflux.
They should be used early in the "cannot intubate, cannot ventilate" scenario.
They are useful in situations where intubation is difficult or impossible.
They provide better cardiac stability and improved oxygenation during anesthesia.
They can be used more easily and quickly, especially by less experienced personnel.
They elicit airway reflexes and require the pharyngeal reflexes to be suppressed.
They are increasingly used in a variety of settings, including routine anesthesia, emergency airway management, and as an aid to intubation.
They provide a better seal, which is essential for adequate gas exchange.
They are helpful in the "cannot intubate, cannot ventilate" scenario.
They are contraindicated in patients with full stomas or those prone to reflux.
They can be used more easily and quickly, with less experienced personnel.
They require pharyngeal reflexes to be suppressed.
They provide a better seal and improve the quality of anesthesia.
They can be used more easily and quickly, even by less experienced personnel.
The use of laryngeal masks has become more common in various settings.
They elicit airway reflexes like the gag reflex.
They require the pharyngeal reflexes to be suppressed.
They are increasingly used for routine anesthesia, emergency airway management, and as an aid to intubation.
They provide a better seal than face masks or tracheal tubes.
They offer improved hemodynamic stability and oxygenation during anesthesia.
They can be used more easily and quickly, even by less experienced personnel.
They are helpful in the "cannot intubate, cannot ventilate" scenario.
They should be used early in this scenario.
They provide minimal or no protection against aspiration of refluxed gastric contents.
They are contraindicated in patients with full stomas or those prone to reflux.
They require the pharyngeal reflexes to be suppressed.
They elicit airway reflexes like the gag reflex.
They are increasingly used for routine anesthesia, emergency airway management, and as an aid to intubation.
They provide a better seal, which is essential for adequate gas exchange.
They offer improved hemodynamic stability and oxygenation during anesthesia.
They can be used more easily and quickly, even by less experienced personnel.
They are helpful in the "cannot intubate, cannot ventilate" scenario.
They should be used early in this situation.
They provide little or no protection against aspiration of refluxed gastric contents.
They are contraindicated in patients with full stomas or those prone to reflux.
They require pharyngeal reflexes to be suppressed.
They elicit airway reflexes like the gag reflex.
They are increasingly used for routine anesthesia, emergency airway management, and as an aid to intubation.
They provide a better seal and improve the quality of anesthesia.
They offer improved hemodynamic stability and oxygenation during anesthesia.
They can be used more easily and quickly, even by less experienced personnel.
They are helpful in the "cannot intubate, cannot ventilate" scenario.
They should be used early in this situation.
They provide minimal or no protection against aspiration of refluxed gastric contents.
They are contraindicated in patients with full stomas or those prone to reflux.
They require pharyngeal reflexes to be suppressed.
They elicit airway reflexes like the gag reflex.
They are increasingly used for routine anesthesia, emergency airway management, and as an aid to intubation.
They provide a better seal and improve the quality of anesthesia.
They offer improved hemodynamic stability and oxygenation during anesthesia.
They can be used more easily and quickly, even by less experienced personnel.
They are helpful in the "cannot intubate, cannot ventilate" scenario.
They should be used early in this situation.
They provide minimal or no protection against aspiration of refluxed gastric contents.
They are contraindicated in patients with full stomas or those prone to reflux.
They require pharyngeal reflexes to be suppressed.
They elicit airway reflexes like the gag reflex

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Test your knowledge of airway management devices with this quiz. Learn about the proper use, contraindications, and scenarios for employing extraglottic airways.

Airway Management Devices Quiz

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Podcast

Questions and Answers

What is the main purpose of an oropharyngeal airway?

What can lead to airway obstruction addressed by an oropharyngeal airway?

Which type of oropharyngeal airway is mentioned as the most common?

In what part of the body is an oropharyngeal airway inserted?

What is the purpose of the black line on the laryngeal mask tube?

What is the mechanism of action for the i-gel airway?

What feature distinguishes the i-gel airway from traditional laryngeal masks?

How does the i-gel airway prevent epiglottic down-folding?

What is the purpose of the second drain tube in the i-gel airway?

What is the main purpose of the flange at the oral end of an oropharyngeal airway?

What is the function of the bite portion of an oropharyngeal airway?

What is one of the problems associated with oropharyngeal airways?

What distinguishes a Guedel airway from a Bermann airway?

What is an alternative type of airway inserted through the nose into the nasopharynx?

What feature should be maximized in the air channel of an oropharyngeal airway?

What is the seal pressure required for adequate seal for spontaneous and mechanical ventilation using LMA Supreme?

Which type of laryngeal mask allows up to 35 cm H2O seal pressure?

How should the laryngeal mask be prepared before use?

For what purpose can a reinforced laryngeal mask be used?

What is the design purpose of ILMA (Intubating Laryngeal Mask Airway)?

What feature of LMA-Proseal distinguishes it from LMA Supreme in terms of seal pressure?

What makes the wide internal diameter of LMA Supreme suitable for long procedures with spontaneous ventilation?

In what context can ILMA be used?

What makes prolonged use with spontaneous ventilation less suitable for reinforced laryngeal mask?

What is the primary function of LMA Supreme?

What distinguishes ILMA from other types of laryngeal masks?

What is the primary purpose of laryngeal masks during anesthesia?

What distinguishes the LMAProSeal from other laryngeal mask versions?

What is a feature of the LMA Supreme that contributes to its improved seals?

What is a potential contraindication for using laryngeal masks?

What is a potential advantage of using laryngeal masks over tracheal tubes?

What is a distinguishing feature of low-cost disposable laryngeal masks?

In what context should laryngeal masks be used early?

What type of reflexes do extraglottic airways elicit?

What is a potential drawback of using laryngeal masks?

What is required for successful use of laryngeal masks in anesthesia?

In what situations are laryngeal masks particularly helpful?

Study Notes

Studying That Suits You

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