Head and Neck Anatomy

Question 1

Answer 1

1. Frontal bone
2. Supraorbital notch (foramen)
3. Nasal bone
4. Lacrimal bone
5. Zygomatic bone
6. Infraorbital foramen
7. Maxillary bone
8. Mental foramen
9. Mandible
10. Ethmoid bone (Orbital plate)
11. Sphenoid bone
12. Temporal bone
13. Parietal bone

Question 2

Classes of Skull bones

Answer 2

1. Neurocranium
   
   1. frontal
   2. occipital
   3. ethmoid bones
   4. sphenoid bones
   5. a pair of temporal bones
   6. a pair of parietal bones.
2. Facial bones/ viscerocranium

Question 3

Classification of Fracture of the facial bones

Answer 3

Le Fort Fracture type….

Question 4

Lateral View of the skull

Answer 4

1. Parietal bone
2. Coronal suture
3. Sphenoid bone
4. Lacrimal bone
5. Maxillary bone (Frontal process; Alveolar process)
6. Zygomatic bone
7. Occipital bone (External occipital protuberance)
8. Lambdoid suture
9. Temporal bone (Squamous part; Zygomatic process; External acoustic meatus; Mastoid process)

Question 5

The coronal suture lies between_________________.

Answer 5

• the frontal bone and the paired parietal bones

Question 6

The lambdoid suture lies between _________

Answer 6

• the paired parietal bones and the occipital bone.

Question 7

Pterion is _________

Answer 7

• site of the union of the frotal, parietal, sphenoid and temporal bones

Question 8

Artery deep to the Pterion

Answer 8

• Middle Meningeal aa

Question 9

Skull fractures may be classified as….

Answer 9

1. Linear: fracture with a distinct fracture line
2. Comminuted: fracture with multiple bone fragments (fragments are depressed if driven inwardly and can tear the dura mater)
3. Diastasic: fracture along a suture line
4. Basilar: fracture of the base of the skull

Question 10

Skull - Midsagital section

Answer 10

1. Sphenoid bone (Greater wing; Lesser wing; Sella turcica; Sphenoidal sinus)
2. Frontal bone (Frontal sinus)
3. Ethmoid bone (Perpendicular plate)
4. Maxillary bone (Incisive canal; Palatine process)
5. Vomer
6. Palatine bone
7. Occipital bone
8. Temporal bone (Squamous part; Petrous part)
9. Parietal bone