Big airway lecture pt 1

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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?

Superior laryngeal nerve Signup and view all the answers

Which muscle abducts the vocal cords?

Posterior Cricoarytenoid Signup and view all the answers

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

All of the above Signup and view all the answers

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

$3$ minutes of $100% O_2$ Signup and view all the answers

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

Class IV Signup and view all the answers

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

Grade II Signup and view all the answers

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

To warm and humidify air Signup and view all the answers

Which structure is included in the oropharynx?

Tongue Signup and view all the answers

Where does the nasopharynx extend to in the airway anatomy?

To the base of the skull Signup and view all the answers

What is the function of the uvula in airway anatomy?

Assists with swallowing Signup and view all the answers

Which part of the airway anatomy modulates sound production?

Larynx Signup and view all the answers

What is the role of the larynx during swallowing?

Separates trachea and esophagus Signup and view all the answers

Where are the adenoids located in the airway anatomy?

Nasopharynx Signup and view all the answers

What structures are contained in the hypopharynx (laryngopharynx)?

Where common pathway diverges into larynx and esophagus pathways. Signup and view all the answers

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

Nasal cavity Signup and view all the answers

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

Separates oral and nasal cavities Signup and view all the answers

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

Adenoids Signup and view all the answers

What is the most common laryngoscope blade for adults?

Macintosh (Mac) #3-#4 Signup and view all the answers

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

Marked on each tube Signup and view all the answers

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

Suspected nasal foreign bodies Signup and view all the answers

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

Magill forceps Signup and view all the answers

What is Mendelson's Syndrome related to?

Gastric reflux Signup and view all the answers

What are the risks of aspiration during intubation?

Endobronchial intubation Signup and view all the answers

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

To decrease gastric distension Signup and view all the answers

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

"Displaced" tube Signup and view all the answers

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

"Cricoid" cartilage Signup and view all the answers

'ETCO2' is used to confirm what during intubation?

"Correct ETT placement" Signup and view all the answers

When should cricoid pressure be released during intubation?

After securing the ETT in place Signup and view all the answers

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