ADEX Head and Neck Anatomy

Question 1

Which cranial nerve provides primary sensory innervation to the teeth and periodontium?

Accepted Answer

CN V (Trigeminal)

Answer

CN VII (Facial)

Answer

CN IX (Glossopharyngeal)

Answer

CN XII (Hypoglossal)

Question 2

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

Accepted Answer

Maxillary second molar

Answer

Maxillary first premolar

Answer

Maxillary first molar

Answer

Maxillary canine

Question 3

Which muscle of mastication is the most superficial and is easily palpated externally over the ramus of the mandible?

Accepted Answer

Masseter

Answer

Medial pterygoid

Answer

Temporalis

Answer

Lateral pterygoid

Question 4

The inferior alveolar nerve is a branch of which division of the trigeminal nerve?

Accepted Answer

Mandibular (V3)

Answer

Ophthalmic (V1)

Answer

Maxillary (V2)

Answer

Both V2 and V3

Question 5

Which lymph node group is the primary drainage site for the tip of the tongue?

Accepted Answer

Submental nodes

Answer

Submandibular nodes

Answer

Jugulo-omohyoid nodes

Answer

Parotid nodes

Question 6

The posterior superior alveolar foramina, through which the PSA nerve and vessels pass, are located on which surface of the maxilla?

Accepted Answer

Infratemporal (posterior) surface of the maxillary tuberosity

Answer

Anterior (facial) surface

Answer

Nasal surface

Answer

Orbital surface

Question 7

The facial artery, which supplies the face and lips, is a direct branch of which major vessel?

Accepted Answer

External carotid artery

Answer

Internal carotid artery

Answer

Subclavian artery

Answer

Maxillary artery