NDHCE Head and Neck Anatomy

Question 1

Which nerve provides the primary sensory innervation to the maxillary teeth and surrounding structures?

Accepted Answer

Maxillary nerve (V2)

Answer

The maxillary nerve (V2), the second division of the trigeminal nerve, provides sensory innervation to the maxillary teeth, palate, gingiva, and associated structures.

Question 2

The parotid salivary gland's duct (Stensen's duct) opens into the oral cavity at which location?

Accepted Answer

Buccal mucosa opposite the maxillary second molar

Answer

Stensen's (parotid) duct opens on the buccal mucosa at a papilla opposite the maxillary second molar, delivering parotid saliva into the oral cavity.

Question 3

Which muscle is responsible for elevating the mandible (closing the mouth) and is the most powerful muscle of mastication?

Accepted Answer

Masseter

Answer

The masseter is considered the most powerful muscle of mastication and is the primary muscle responsible for elevating the mandible to close the mouth.

Question 4

The mental foramen is typically located on the mandible in which position?

Accepted Answer

Between the apex of the mandibular first and second premolars

Answer

The mental foramen typically opens on the lateral aspect of the mandible between the apices of the first and second premolars, transmitting the mental nerve and vessels.

Question 5

Which salivary gland produces the highest proportion of total resting (unstimulated) saliva?

Accepted Answer

Submandibular gland

Answer

The submandibular gland produces approximately 60–65% of resting saliva, making it the primary contributor to unstimulated salivary flow.

NDHCE - National Dental Hygiene Certification Examination Practice Test

NDHCE - National Dental Hygiene Certification Examination Practice Test

NDHCE Head and Neck Anatomy