Big airway lecture pt 1

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Questions and Answers

What is the only complete ring of trachea?

  • Epiglottis
  • Cricoid cartilage (correct)
  • Arytenoid cartilage
  • Thyroid cartilage

What is the anterior-posterior dimensions of the vocal cords in men (approximately)?

  • $17$ mm
  • $25$ mm
  • $23$ mm (correct)
  • $20$ mm

Which nerve provides sensory branch to pharyngeal mucosa and posterior 1/3 of the tongue (gag reflex)?

  • Vagus nerve
  • Glossopharyngeal nerve (correct)
  • Superior laryngeal nerve
  • Recurrent laryngeal nerve

Which nerve provides sensory innervation to both sides of the epiglottis and airway mucosa above the vocal cords?

<p>Superior laryngeal nerve (C)</p> Signup and view all the answers

Which muscle abducts the vocal cords?

<p>Posterior Cricoarytenoid (D)</p> Signup and view all the answers

What are the indications for endotracheal tube (ETT) intubation?

<p>All of the above (D)</p> Signup and view all the answers

What should be done before passing the tube through the vocal cords during direct visual laryngoscopy (DVL)?

<p>$3$ minutes of $100% O_2$ (C)</p> Signup and view all the answers

Which Mallampati classification means that the soft palate is not visible?

<p>Class IV (D)</p> Signup and view all the answers

Which view during laryngoscopy shows only the posterior portion of the glottis?

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

What is the main purpose of the nasal cavity in airway anatomy?

<p>To warm and humidify air (C)</p> Signup and view all the answers

Which structure is included in the oropharynx?

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

Where does the nasopharynx extend to in the airway anatomy?

<p>To the base of the skull (B)</p> Signup and view all the answers

What is the function of the uvula in airway anatomy?

<p>Assists with swallowing (B)</p> Signup and view all the answers

Which part of the airway anatomy modulates sound production?

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

What is the role of the larynx during swallowing?

<p>Separates trachea and esophagus (B)</p> Signup and view all the answers

Where are the adenoids located in the airway anatomy?

<p>Nasopharynx (D)</p> Signup and view all the answers

What structures are contained in the hypopharynx (laryngopharynx)?

<p>Where common pathway diverges into larynx and esophagus pathways. (B)</p> Signup and view all the answers

Which part of the airway anatomy accounts for two-thirds of total airway resistance?

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

What is the function of the hard palate in oral anatomy?

<p>Separates oral and nasal cavities (D)</p> Signup and view all the answers

Which structure is NOT part of the oropharynx in airway anatomy?

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

What is the most common laryngoscope blade for adults?

<p>Macintosh (Mac) #3-#4 (A)</p> Signup and view all the answers

How is the size of endotracheal tubes (ETT) determined?

<p>Marked on each tube (A)</p> Signup and view all the answers

What is a relative contraindication for Nasal Endotracheal Tube (NETT) insertion?

<p>Suspected nasal foreign bodies (D)</p> Signup and view all the answers

What equipment is required for Nasal Endotracheal Tube (NETT) insertion?

<p>Magill forceps (C)</p> Signup and view all the answers

What is Mendelson's Syndrome related to?

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

What are the risks of aspiration during intubation?

<p>Endobronchial intubation (D)</p> Signup and view all the answers

What is the purpose of cricoid pressure during Rapid Sequence Induction (RSI)?

<p>To decrease gastric distension (C)</p> Signup and view all the answers

'DOPE' refers to which complication related to endotracheal tube (ETT)?

<p>&quot;Displaced&quot; tube (D)</p> Signup and view all the answers

"Sellick's maneuver" refers to applying external pressure on which cartilage?

<p>&quot;Cricoid&quot; cartilage (D)</p> Signup and view all the answers

'ETCO2' is used to confirm what during intubation?

<p>&quot;Correct ETT placement&quot; (C)</p> Signup and view all the answers

When should cricoid pressure be released during intubation?

<p>After securing the ETT in place (A)</p> Signup and view all the answers

What is used to guide the endotracheal tube through the vocal cords during laryngoscopy?

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

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