The Skull

Question 1

What are the 2 parts of the skull?

Answer 1

the cranium and facial mask

Question 2

What are the 6 cranial bones?

Answer 2

parietal, temporal, frontal, occipital, sphenoid, and ethmoid

Question 3

Which bones does the parietal bone articulate with?

Answer 3

occipital bone posteriorly and temporal bone laterally

Question 4

Special features of the temporal bone

Answer 4

houses the cochlea and forms most of the lateral aspect of the braincase

Question 5

Special features of the frontal bone

Answer 5

it has anterior and superior aspects

Question 6

Special features of the occipital bone

Answer 6

base of the skull, articulates with atlas (c1) the 1st spinal vertebrae

Question 7

Special feature of the sphenoid bone

Answer 7

inferior and deep bone that articulates with frontal, temporal, parietal and occipital bones. has a greater and lesser wing

Question 8

Special features of the ethmoid bone

Answer 8

anterior/inferior aspects and divides nasal cavity into left and right nasal passage!

Question 9

What are sutures?

Answer 9

immovable joints where 2 bones of the skull connect

Question 10

Foramen of the skull

Answer 10

• supra orbital (above eye socket)
• infra orbital (below eye socket)
• mental
• zygomatic

Question 11

Foramen Magnum

Answer 11

at the bottom of the skull where the spinal cord exits the skull

Question 12

Mandible

Answer 12

lower jaw

Question 13

Maxilla

Answer 13

forms upper jaw and root of mouth

the anterior 2/3 of the hard palate is the palatine process of the maxilla bone

Question 14

Palatine Bone

Answer 14

the posterior 1/3 of the hard palate

Question 15

Vomer

Answer 15

floor of nasal cavity

Question 16

Zygomatic

Answer 16

anterior 1/3 of zygomatic arch (cheek bone) is continuous with the temporal bone (posterior 2/3 of arch)

Question 17

Nasal Bone

Answer 17

bridge of nose