Skull

Question 1

4 bones that make up the cranium skullcap (which is named)?

Answer 1

Skullcap=Calvaria

Frontal, right/left parietal, and occipital bones

Question 2

Where is glabella located?

Answer 2

Above nose-between eyebrows

Question 3

Which 4 bones articulate with the frontal bone?

Answer 3

Right/left parietal, sphenoid, and ethmoid

Question 4

What is the foremen magnum?

Answer 4

Hole where spinal cord starts

Question 5

What is the inner ear area called?

Answer 5

EAM-external acoustic meatus

Question 6

Where is zygomatic arch?

Answer 6

Posterior cheek bone

Question 7

Where is mastoid tip?

Answer 7

Behind/below ear, next to mandible

Question 8

What/where is petrous ridge?

Answer 8

Upper area of petrous portion. Falls at level of TEA-Top of Ear Attachment

Question 9

Sella turcica is part of what bone?

Answer 9

Sphenoid

Question 10

What is the anchor for facial bones?

Answer 10

Ethmoid bone

Question 11

What is aka roosters comb in ethmoid bone?

Answer 11

Crista galli

Question 12

4 Cranial sutures

Answer 12

Coronal
Lambdoidal
Squamosal
Sagittal

Sutures never 100% close until 8-10 years old

Question 13

What is the proper name for Towne Projection?

What does it show?

Answer 13

AP Axial

Shows occipital bone

Question 14

Skull measurements

Answer 14

Mesocephalic: average morphology-Cephalic Indices 76-80.9

Dolichocephalic:! Narrow and elongated-CI 75.9 or below

Brachycephalic: short and wide-CI 81 or above