NBDHE NBDHE Head and Neck Anatomy 2

Question 1

Which foramen transmits the mental nerve and vessels?

Accepted Answer

Mental foramen

Answer

The mental foramen, located on the lateral surface of the mandible below the premolars, transmits the mental nerve and vessels.

Question 2

The parotid duct (Stensen's duct) empties into the oral cavity opposite which tooth?

Accepted Answer

Maxillary second molar

Answer

Stensen's duct opens into the oral vestibule opposite the maxillary second molar at the parotid papilla.

Question 3

Which muscle is the primary antagonist to the temporalis during depression of the mandible?

Accepted Answer

Lateral pterygoid (inferior head)

Answer

The inferior head of the lateral pterygoid depresses the mandible by pulling the condyle and disc anteriorly, opposing temporalis elevation.

Question 4

The chorda tympani nerve is a branch of which cranial nerve?

Accepted Answer

CN VII

Answer

The chorda tympani is a branch of the facial nerve (CN VII) that carries taste from the anterior two-thirds of the tongue and preganglionic parasympathetic fibers to submandibular and sublingual glands.

Question 5

Which structure forms the posterior wall of the submandibular triangle?

Accepted Answer

Digastric posterior belly

Answer

The posterior belly of the digastric muscle forms the posterior boundary of the submandibular triangle.

NBDHE Test Practice Test

NBDHE Test Practice Test

NBDHE NBDHE Head and Neck Anatomy 2