NBDHE NBDHE Head and Neck Anatomy 4

Question 1

The stylohyoid ligament is a remnant of which pharyngeal arch cartilage?

Accepted Answer

Second arch (Reichert's cartilage)

Answer

The stylohyoid ligament is a fibrous remnant of the second pharyngeal arch (Reichert's) cartilage, extending from the styloid process to the lesser horn of the hyoid.

Question 2

Which nerve is anesthetized by an inferior alveolar nerve block that also blocks the lingual nerve?

Accepted Answer

Lingual nerve

Answer

During an inferior alveolar nerve block, the lingual nerve lies just anteromedial to the inferior alveolar nerve and is anesthetized by diffusion of anesthetic solution.

Question 3

Which structure passes through the parotid gland without contributing to it?

Accepted Answer

All of the above

Answer

The facial nerve, external carotid artery, retromandibular vein, and auriculotemporal nerve all pass through the parotid gland without being parotid secretory tissue.

Question 4

The nasal septum is formed by contributions from which structures?

Accepted Answer

Vomer, perpendicular plate of ethmoid, and septal cartilage

Answer

The bony nasal septum is composed of the vomer inferoposteriorly and the perpendicular plate of the ethmoid superiorly, with the septal (quadrangular) cartilage completing the anterior septum.

Question 5

Which muscle is responsible for elevating the soft palate during swallowing?

Accepted Answer

Levator veli palatini

Answer

The levator veli palatini elevates the soft palate to close off the nasopharynx during swallowing, preventing nasal regurgitation.

NBDHE Test Practice Test

NBDHE Test Practice Test

NBDHE NBDHE Head and Neck Anatomy 4