Supraglottic airway devices MCQs – Anesthesia

By: Prof. Dr. Fazal Rehman Shamil | Last updated: September 13, 2024

Supraglottic Airway Devices MCQs – Anesthesia

  1. What is the primary purpose of a supraglottic airway device?
    a) To provide intravenous access
    b) To secure the airway and facilitate ventilation
    c) To monitor blood pressure
    d) To administer sedativesAnswer: b) To secure the airway and facilitate ventilation
  2. Which of the following is an example of a supraglottic airway device?
    a) Endotracheal tube
    b) Laryngeal mask airway (LMA)
    c) Oropharyngeal airway
    d) Nasotracheal tubeAnswer: b) Laryngeal mask airway (LMA)
  3. What is the main advantage of using a supraglottic airway device over an endotracheal tube?
    a) Easier and quicker to insert
    b) Provides better airway protection
    c) Requires more training to use
    d) More effective in high-risk patientsAnswer: a) Easier and quicker to insert
  4. Which supraglottic airway device has an inflatable cuff to create a seal around the laryngeal inlet?
    a) Laryngeal mask airway (LMA)
    b) King LT-D airway
    c) Combitube
    d) Endotracheal tubeAnswer: a) Laryngeal mask airway (LMA)
  5. What is a key disadvantage of supraglottic airway devices?
    a) They can protect against aspiration
    b) They can cause airway obstruction
    c) They may not be suitable for all patients
    d) They are not easily adjustableAnswer: c) They may not be suitable for all patients
  6. Which supraglottic airway device is known for its dual-lumen design?
    a) Laryngeal mask airway (LMA)
    b) King LT-D airway
    c) Combitube
    d) I-gelAnswer: c) Combitube
  7. What is the purpose of the ventilation ports on a Combitube?
    a) To allow insertion of a nasogastric tube
    b) To provide ventilation through the esophagus or trachea
    c) To facilitate suctioning of secretions
    d) To monitor end-tidal CO2Answer: b) To provide ventilation through the esophagus or trachea
  8. Which of the following is true about the Laryngeal Mask Airway (LMA)?
    a) It provides direct access to the trachea
    b) It is designed for long-term ventilation
    c) It fits over the laryngeal inlet
    d) It has a cuff that inflates to secure the airwayAnswer: c) It fits over the laryngeal inlet
  9. What should be done if the supraglottic airway device is not correctly positioned?
    a) Increase the cuff pressure
    b) Reposition the device and adjust
    c) Administer more sedation
    d) Change to a different deviceAnswer: b) Reposition the device and adjust
  10. Which supraglottic airway device is specifically designed to facilitate blind intubation?
    a) Laryngeal mask airway (LMA)
    b) King LT-D airway
    c) Combitube
    d) Endotracheal tubeAnswer: b) King LT-D airway
  11. What is a common indication for using a supraglottic airway device in anesthesia?
    a) Patient with a high risk of aspiration
    b) Patient requiring long-term mechanical ventilation
    c) Patient with a compromised airway
    d) Routine airway management in elective surgeryAnswer: d) Routine airway management in elective surgery
  12. Which of the following is a contraindication for using a Laryngeal Mask Airway (LMA)?
    a) Obstructive sleep apnea
    b) Anticipated difficult airway
    c) Known esophageal disease
    d) Emergency airway managementAnswer: b) Anticipated difficult airway
  13. Which feature differentiates the I-gel from other supraglottic airway devices?
    a) It has an inflatable cuff
    b) It has a gel-filled cuff that molds to the laryngeal anatomy
    c) It is a double-lumen device
    d) It has a built-in fiberoptic scopeAnswer: b) It has a gel-filled cuff that molds to the laryngeal anatomy
  14. What is the main advantage of using the King LT-D airway?
    a) It is suitable for all age groups
    b) It can be used for both airway and ventilation
    c) It is a single-lumen device
    d) It provides a secure seal for ventilationAnswer: b) It can be used for both airway and ventilation
  15. How should the cuff of a Laryngeal Mask Airway (LMA) be inflated?
    a) To high pressure for maximum seal
    b) To minimal pressure for just a seal
    c) With a syringe to a predetermined volume
    d) Using a pressure gaugeAnswer: c) With a syringe to a predetermined volume
  16. Which of the following best describes the use of a Combitube?
    a) It is used for long-term intubation
    b) It has a single-lumen with inflatable cuffs
    c) It can provide ventilation through the esophagus or trachea
    d) It is a short-term airway management deviceAnswer: c) It can provide ventilation through the esophagus or trachea
  17. What is the primary purpose of the ventilation ports on the King LT-D airway?
    a) To allow for gastric decompression
    b) To facilitate oxygenation through either the trachea or esophagus
    c) To provide suctioning
    d) To monitor end-tidal CO2Answer: b) To facilitate oxygenation through either the trachea or esophagus
  18. Which device is known for its use in difficult airway scenarios where endotracheal intubation is not possible?
    a) Laryngeal mask airway (LMA)
    b) King LT-D airway
    c) Combitube
    d) Endotracheal tubeAnswer: c) Combitube
  19. What is the main disadvantage of the King LT-D airway?
    a) It is difficult to insert
    b) It does not provide a secure airway
    c) It can only be used in patients over 20 kg
    d) It requires specific training for useAnswer: c) It can only be used in patients over 20 kg
  20. Which feature of the I-gel helps in its ease of use?
    a) Rigid structure
    b) Self-expanding cuff
    c) Flexible gel-filled cuff
    d) Dual-lumen designAnswer: c) Flexible gel-filled cuff
  21. What is the correct technique for inserting a Laryngeal Mask Airway (LMA)?
    a) Insert with the cuff deflated, then inflate once in place
    b) Inflate the cuff before insertion
    c) Use a curved blade to guide it into position
    d) Insert blindly without visualizationAnswer: a) Insert with the cuff deflated, then inflate once in place
  22. Which device can be used as a backup in case of failed endotracheal intubation?
    a) Laryngeal mask airway (LMA)
    b) King LT-D airway
    c) Combitube
    d) Nasopharyngeal airwayAnswer: a) Laryngeal mask airway (LMA)
  23. What is the primary consideration when choosing a supraglottic airway device for a patient?
    a) The patient’s airway anatomy
    b) The patient’s weight
    c) The type of surgical procedure
    d) The anesthesia technique usedAnswer: a) The patient’s airway anatomy
  24. Which supraglottic airway device is known for its ease of insertion and lack of need for cuff inflation?
    a) King LT-D airway
    b) Laryngeal mask airway (LMA)
    c) Combitube
    d) I-gelAnswer: d) I-gel
  25. What is the recommended method for confirming correct placement of a supraglottic airway device?
    a) Visual inspection
    b) Breath sounds auscultation
    c) Cuff pressure measurement
    d) End-tidal CO2 detectionAnswer: b) Breath sounds auscultation
  26. Which of the following is a common complication associated with supraglottic airway devices?
    a) Laryngeal damage
    b) Dental trauma
    c) Nasal bleeding
    d) Airway obstructionAnswer: d) Airway obstruction
  27. What is the ideal patient position for inserting a Laryngeal Mask Airway (LMA)?
    a) Prone position
    b) Supine position with head extended
    c) Lateral position
    d) Semi-Fowler’s positionAnswer: b) Supine position with head extended
  28. Which supraglottic airway device is designed for use in patients with potential airway obstruction due to edema?
    a) Laryngeal mask airway (LMA)
    b) King LT-D airway
    c) Combitube
    d) I-gelAnswer: d) I-gel
  29. What is the main advantage of using a supraglottic airway device in emergency situations?
    a) It provides long-term airway management
    b) It allows for rapid and effective airway control
    c) It can be used without any sedation
    d) It prevents all forms of aspirationAnswer: b) It allows for rapid and effective airway control
  30. Which device is designed to be inserted blindly with a single attempt?
    a) Laryngeal mask airway (LMA)
    b) King LT-D airway
    c) Combitube
    d) Endotracheal tubeAnswer: b) King LT-D airway
  31. What should be done if a supraglottic airway device does not seal properly?
    a) Increase cuff pressure
    b) Reposition the device and adjust cuff
    c) Replace with a different size
    d) Administer more muscle relaxantAnswer: b) Reposition the device and adjust cuff
  32. Which of the following supraglottic airway devices has a dual-lumen design for providing ventilation?
    a) Laryngeal mask airway (LMA)
    b) King LT-D airway
    c) Combitube
    d) I-gelAnswer: c) Combitube
  33. What is the main function of the cuff on a Laryngeal Mask Airway (LMA)?
    a) To prevent displacement of the device
    b) To protect against aspiration
    c) To facilitate ventilation through the device
    d) To create a seal around the larynxAnswer: d) To create a seal around the larynx
  34. Which device is suitable for patients with a history of difficult intubation?
    a) Laryngeal mask airway (LMA)
    b) King LT-D airway
    c) Combitube
    d) Endotracheal tubeAnswer: a) Laryngeal mask airway (LMA)
  35. Which of the following devices is designed to be used for a single-lumen airway management?
    a) Combitube
    b) King LT-D airway
    c) Laryngeal mask airway (LMA)
    d) Endotracheal tubeAnswer: c) Laryngeal mask airway (LMA)
  36. What feature of the I-gel aids in its ease of use?
    a) Built-in cuff pressure monitor
    b) Rigid design
    c) Flexible, gel-filled cuff
    d) Dual-lumen systemAnswer: c) Flexible, gel-filled cuff
  37. Which of the following is NOT a common use of the Combitube?
    a) Providing ventilation through the esophagus
    b) Facilitating blind intubation
    c) Serving as a long-term airway management device
    d) Ventilating through the tracheaAnswer: c) Serving as a long-term airway management device
  38. What is the most appropriate device for rapid airway control in an unconscious patient?
    a) King LT-D airway
    b) Endotracheal tube
    c) Laryngeal mask airway (LMA)
    d) Nasopharyngeal airwayAnswer: a) King LT-D airway
  39. Which supraglottic airway device has a built-in bite block to prevent airway obstruction?
    a) King LT-D airway
    b) Laryngeal mask airway (LMA)
    c) Combitube
    d) I-gelAnswer: d) I-gel
  40. Which of the following devices is known for its use in patients with significant neck movement limitations?
    a) King LT-D airway
    b) Laryngeal mask airway (LMA)
    c) Combitube
    d) Endotracheal tubeAnswer: b) Laryngeal mask airway (LMA)
  41. Which of the following is a contraindication for using a King LT-D airway?
    a) Known esophageal disease
    b) Obstructive sleep apnea
    c) Anticipated difficult airway
    d) Trauma to the face or mouthAnswer: a) Known esophageal disease
  42. What should be done if there is difficulty ventilating a patient with a supraglottic airway device?
    a) Increase the cuff pressure
    b) Check device placement and reposition
    c) Administer more sedation
    d) Switch to an endotracheal tubeAnswer: b) Check device placement and reposition
  43. Which supraglottic airway device is commonly used in pediatric anesthesia?
    a) Laryngeal mask airway (LMA)
    b) King LT-D airway
    c) Combitube
    d) Endotracheal tubeAnswer: a) Laryngeal mask airway (LMA)
  44. Which device is known for its use in managing the airway in emergency settings with minimal sedation?
    a) Laryngeal mask airway (LMA)
    b) King LT-D airway
    c) Combitube
    d) I-gelAnswer: b) King LT-D airway
  45. What is the purpose of the cuff in the King LT-D airway?
    a) To stabilize the device
    b) To inflate for securing the airway
    c) To provide ventilation through the esophagus
    d) To create a seal for effective ventilationAnswer: d) To create a seal for effective ventilation
  46. Which of the following is a common complication of supraglottic airway devices?
    a) Cuff rupture
    b) Tracheal damage
    c) Oesophageal perforation
    d) Pharyngeal traumaAnswer: c) Oesophageal perforation
  47. What is the appropriate action if a supraglottic airway device is not functioning correctly?
    a) Increase cuff pressure
    b) Reinsert the device
    c) Administer muscle relaxants
    d) Replace with an endotracheal tubeAnswer: b) Reinsert the device
  48. Which supraglottic airway device is specifically designed for quick placement and removal?
    a) King LT-D airway
    b) Laryngeal mask airway (LMA)
    c) Combitube
    d) I-gelAnswer: d) I-gel
  49. What is the primary goal when using a supraglottic airway device in anesthesia?
    a) To ensure effective ventilation and oxygenation
    b) To facilitate long-term airway management
    c) To prevent all forms of airway complications
    d) To provide sedative effectsAnswer: a) To ensure effective ventilation and oxygenation
  50. Which of the following devices is used to maintain airway patency with minimal obstruction?
    a) Laryngeal mask airway (LMA)
    b) King LT-D airway
    c) Combitube
    d) Nasopharyngeal airwayAnswer: a) Laryngeal mask airway (LMA)

Topic-wise Anesthesia MCQs

  1. Anesthesiology MCQs
  2. Anesthesia Basics:
  3. Anesthesia Agents MCQs:
  4. Airway Management:
  5. Anesthesia Monitoring MCQs – Anesthesia:
  6. Regional Anesthesia MCQs :
  7. Patient Assessment and Optimization:
  8. Anesthesia Delivery Systems MCQs:
  9. Pediatric Anesthesia MCQs :
  10. Obstetric Anesthesia MCQs – Anesthesia:
  11. Anesthesia Complications and Emergencies MCQs:
  12. Post-Anesthesia Care MCQs:
  13. Geriatric Anesthesia:
  14. Ethics and Professionalism in Anesthesia MCQs:
  15. Simulation and Skills Training MCQs :