03.1 Osteology of the Skull and Spine

Question 1

What can you not see in an AP x ray of the head and neck?

Answer 1

C1

C2

Question 2

What can you not see in a lateral x ray of c spine?

Answer 2

C7 downwards

Question 3

What fractures can occur to C spine?

Answer 3

Burst fractures - Head fall first from height - multiple fracture lines through lamina
Hangman’s fractures - hyperextension

Question 4

What are the sutures of the skull (anteriorly to posteriorly)?

Answer 4

Coronal
Sagital
Lambdoid

Question 5

What are the point lines of the skull?

Answer 5

Bregma

Lambda

Question 6

What joins the two mandible bones to form the jaw bone?

Answer 6

Mental symphisis

Question 7

What happens to make a neonatal skull more like an adult skull?

Answer 7

Cranial bones are pushed together during childbirth, the serrated edges of the bones interlock

Question 8

What can happen to a child’s skull if born prematurely?

Answer 8

Bones don’t interlock

High probability of brain damage

Question 9

What are the bones of the facial skeleton?

Answer 9

Zygomatic, lacrimal, nasal, nasal conchae, palatine, maxilla, vomer, mandible

Question 10

What are the two parts of the cranium and what are they made up of?

Answer 10

Roof (calvarium) - frontal, occipital and two parietal

Base - frontal, sphenoid, ethmoid, occipital, parietal and temporal bones