MFDS Head and Neck Anatomy 2

Question 1

An inferior alveolar nerve block fails to anaesthetise which structure, necessitating a separate injection?

Accepted Answer

Buccal gingiva of mandibular molars

Answer

Mandibular molars pulps

Answer

Lower lip and chin

Answer

Mandibular premolar pulps

Question 2

Which muscle protracts the mandibular condyle during mouth opening?

Accepted Answer

Lateral pterygoid

Answer

Masseter

Answer

Medial pterygoid

Answer

Temporalis

Question 3

The mylohyoid nerve, which supplies the mylohyoid muscle, arises from which parent nerve?

Accepted Answer

Inferior alveolar nerve

Answer

Lingual nerve

Answer

Buccal nerve

Answer

Mental nerve

Question 4

The maxillary teeth receive their primary arterial supply from branches of which artery?

Accepted Answer

Maxillary artery

Answer

Facial artery

Answer

Infraorbital artery

Answer

Buccal artery

Question 5

The pterygomandibular raphe serves as the key landmark for which local anaesthetic technique?

Accepted Answer

Inferior alveolar nerve block

Answer

Mental nerve block

Answer

Infraorbital nerve block

Answer

Posterior superior alveolar nerve block

Question 6

Which bones form the floor of the orbit?

Accepted Answer

Zygomatic, maxillary, and palatine bones

Answer

Frontal, zygomatic, and sphenoid bones

Answer

Maxillary, lacrimal, and ethmoid bones

Answer

Zygomatic, frontal, and lacrimal bones

Question 7

Which cranial nerve exits the skull through the stylomastoid foramen?

Accepted Answer

Facial nerve (CN VII)

Answer

Glossopharyngeal nerve (CN IX)

Answer

Accessory nerve (CN XI)

Answer

Hypoglossal nerve (CN XII)