NDHCE Head and Neck Anatomy 2

Question 1

Which structure forms the floor of the mouth and attaches the tongue to the mandible?

Accepted Answer

Mylohyoid muscle

Answer

Lingual frenum

Answer

Genioglossus muscle

Answer

Hyoglossus muscle

Question 2

Which lymph node group is the first to receive lymphatic drainage from the tip of the tongue and lower incisors?

Accepted Answer

Submental lymph nodes

Answer

Submandibular lymph nodes

Answer

Deep cervical lymph nodes

Answer

Parotid lymph nodes

Question 3

The temporomandibular joint (TMJ) is a synovial joint between which two bony structures?

Accepted Answer

Mandibular condyle and temporal bone (glenoid fossa)

Answer

Coronoid process and zygomatic arch

Answer

Mandibular ramus and maxillary tuberosity

Answer

Hyoid bone and thyroid cartilage

Question 4

Which cranial nerve controls the motor function of the tongue?

Accepted Answer

Hypoglossal nerve (XII)

Answer

Trigeminal nerve (V)

Answer

Facial nerve (VII)

Answer

Glossopharyngeal nerve (IX)

Question 5

The cementoenamel junction (CEJ) is a critical landmark in dental hygiene because it:

Accepted Answer

Serves as the reference point for measuring clinical attachment level

Answer

Marks the boundary between enamel and dentin

Answer

Indicates the location of pulp horns

Answer

Marks the boundary between the crown and root in terms of innervation

Question 6

Which of the following best describes the anatomical location of the pterygomandibular raphe?

Accepted Answer

A fibrous band between the buccinator muscle and the superior pharyngeal constrictor

Answer

A muscle connecting the two pterygoid plates

Answer

The junction between hard and soft palate

Answer

The tendon of the temporalis muscle