Intermediate Laryngopharynx Quiz

Q1. Which nerve provides much of the sensory innervation to the laryngopharyngeal mucosa?

• Mental nerve
• Internal laryngeal nerve
• Infraorbital nerve
• Greater occipital nerve

Q2. The internal laryngeal nerve is a branch of which nerve?

• Facial nerve
• Glossopharyngeal nerve
• Superior laryngeal nerve
• Hypoglossal nerve

Q3. Which membrane is pierced by the internal laryngeal nerve as it approaches the laryngeal region?

• Atlanto-occipital membrane
• Stylomandibular ligament
• Thyrohyoid membrane
• Cricothyroid ligament

Q4. Which vessels accompany the internal laryngeal nerve through the thyrohyoid membrane?

• Superior laryngeal vessels
• Facial vessels
• Inferior alveolar vessels
• Middle meningeal vessels

Q5. Why is the piriform recess clinically important when swallowing sharp foreign material?

• It is the normal site of tooth eruption
• It contains the opening of the parotid duct
• It communicates directly with the orbit
• Foreign bodies can lodge within the recess

Q6. Which nerve is particularly vulnerable during removal of a foreign body from the piriform recess?

• Optic nerve
• Accessory nerve
• Mental nerve
• Internal laryngeal nerve

Q7. What sensory territory can be affected by injury to the internal laryngeal nerve near the piriform recess?

• Anterior scalp only
• Supraglottic laryngeal and adjacent laryngopharyngeal mucosa
• Lower lip and chin
• Cornea and upper eyelid

Q8. Which muscle layer helps propel a bolus through the laryngopharynx?

• Masseter
• Orbicularis oculi
• Inferior pharyngeal constrictor
• Anterior scalene

Q9. What is the relationship of the laryngopharynx to the cervical vertebral column?

• Posterior to the vertebral canal
• Lateral to the shoulder joint
• Inside the spinal cord
• Anterior to the cervical vertebral column

Q10. Which structure receives the bolus directly after it leaves the laryngopharynx inferiorly?

• Trachea
• Nasopharynx
• Oral vestibule
• Cervical esophagus