Anatomy of the Larynx: 3D Model and Function

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What is the laryngeal prominence commonly known as?

Adam's apple

In which vertebrae level can the cricoid cartilage be felt inferior to the laryngeal prominence?

C6

At what level are the vocal folds located in relation to the laryngeal prominence?

At the level of

What is the site for a needle cricothyrotomy or coniotomy?

<p>Cricothyroid ligament</p> Signup and view all the answers

What happens to your fingertip as it passes over the arch of the cricoid cartilage?

<p>It sinks in</p> Signup and view all the answers

Which structure can be felt to recede on swallowing when palpating the neck?

<p>Laryngeal prominence</p> Signup and view all the answers

Which artery may arise from the arch of the aorta in approximately 10% of people?

<p>Thyroid ima artery</p> Signup and view all the answers

Where do the superior thyroid veins drain into?

<p>Internal jugular veins (IJVs)</p> Signup and view all the answers

Which structure controls sound production in the larynx?

<p>Vocal folds</p> Signup and view all the answers

What is the main inspiratory sphincter of the larynx?

<p>Vocal folds</p> Signup and view all the answers

What protects the vocal folds and processes and forms the aperture between the vocal folds?

<p>Rima glottidis</p> Signup and view all the answers

What is the space between the vestibular ligaments?

<p>Rima vestibuli</p> Signup and view all the answers

What is the usual sign of unilateral recurrent nerve injury during neck surgery?

<p>Aphonia</p> Signup and view all the answers

What usually results from bruising the recurrent laryngeal nerves during surgery?

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

What is crossed by the right recurrent laryngeal nerve near the inferior pole of the thyroid gland?

<p>Inferior thyroid artery</p> Signup and view all the answers

What prevents entry of air when tightly closed?

<p>Vocal folds</p> Signup and view all the answers

What does a narrow and wedge-shaped rima glottidis represent?

<p>Ordinary breathing</p> Signup and view all the answers

What encompasses two thick folds of mucous membrane enclosing vestibular ligaments?

<p>Vestibular folds</p> Signup and view all the answers

Where does the isthmus of the thyroid gland lie?

<p>Superior to the cricoid cartilage</p> Signup and view all the answers

What is the role of the cricoid cartilage in cricothyrotomy?

<p>It serves as an entry point into the trachea</p> Signup and view all the answers

What structure covers the inferior part of the trachea in infants and children?

<p>Thymus</p> Signup and view all the answers

What is the purpose of a surgical cricothyrotomy?

<p>To establish an airway in patients with upper airway obstruction</p> Signup and view all the answers

Where do the first tracheal cartilage and cricoid cartilage lie in relation to each other?

<p>The first tracheal cartilage is superior to the cricoid cartilage</p> Signup and view all the answers

What might be encountered during a tracheostomy procedure in infants and children?

<p>Thymus</p> Signup and view all the answers

What is the role of the inferior thyroid veins during a tracheostomy?

<p>To provide blood supply to the thyroid gland</p> Signup and view all the answers

What is the purpose of inserting a small tracheostomy tube into the trachea during a surgical cricothyrotomy?

<p>To establish an airway in patients with upper airway obstruction</p> Signup and view all the answers

What might be encountered during a tracheostomy procedure in adults?

<p>Inferior thyroid veins</p> Signup and view all the answers

What artery supplies mainly the anterosuperior aspect of the thyroid gland?

<p>Superior thyroid artery</p> Signup and view all the answers

Where does the isthmus of the thyroid gland extend on either side of the midline?

<p>Approximately 1.25 cm on either side of midline</p> Signup and view all the answers

Where do the left brachiocephalic vein, jugular venous arch, and pleurae lie in relation to a tracheostomy procedure?

<p>Lie anterior to the trachea, especially in infants and children</p> Signup and view all the answers

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