MFDS Head and Neck Anatomy 3

Question 1

The nasopalatine nerve enters the hard palate through which foramen?

Accepted Answer

Incisive foramen

Answer

Greater palatine foramen

Answer

Lesser palatine foramen

Answer

Mandibular foramen

Question 2

The greater palatine nerve supplies the palatal mucosa in which region?

Accepted Answer

Hard palate from the canine region to the posterior margin

Answer

Anterior hard palate only (behind upper incisors)

Answer

Soft palate and uvula

Answer

Anterior two-thirds of the hard palate

Question 3

Which muscle forms the muscular floor ('diaphragm') of the oral cavity?

Accepted Answer

Mylohyoid

Answer

Geniohyoid

Answer

Anterior belly of digastric

Answer

Stylohyoid

Question 4

The posterior superior alveolar nerve typically supplies which maxillary molar roots?

Accepted Answer

All roots of the second and third molars, and the distobuccal and palatal roots of the first molar

Answer

All roots of all three maxillary molars

Answer

Only the second and third molars entirely

Answer

All roots of the first and second molars

Question 5

Which fascial space communicates directly with the infratemporal fossa and is targeted during an inferior alveolar nerve block?

Accepted Answer

Pterygomandibular space

Answer

Buccal space

Answer

Parapharyngeal space

Answer

Temporal space

Question 6

The four muscles of mastication are all innervated by which nerve?

Accepted Answer

Mandibular nerve (CN V3)

Answer

Facial nerve (CN VII)

Answer

All three divisions of the trigeminal nerve

Answer

Maxillary nerve (CN V2)

Question 7

At which anatomical point does the facial artery cross the inferior border of the mandible?

Accepted Answer

At the antegonial notch, just anterior to the masseter

Answer

At the angle of the mandible

Answer

At the mental foramen

Answer

At the midpoint of the mandibular body