Chapter 7: Axial Skeleton

Question 1

How many bones does the adult skeleton have

Answer 1

206 bones

Question 2

Skeleton bone are grouped into two divisions

Answer 2

Axial Skeleton
Appendicular Skeleton

Question 3

The Axial Skeleton contains

Answer 3

Cranial bones
Facial bones
Ear ossicles
Hyoid bone
Vertebral column
Thoracic cage

Question 4

What sutures do we have

Answer 4

1.Coronal= Going across the front of the head

2.Sagittal= Going down the middle separating the parietal bones

3.Lambdoid= Going across in the back separates the occipital from the parietal bone

4.Squamous= Separating the temporal bone from the parietal bone located on the side

Question 5

What is the Frontal Bone

Answer 5

The forehead
Eye socket
Also forms much of the anterior part of the cranial floor

Question 6

What is the Parietal Bone

Answer 6

Form much of the sides and roof of the cranial cavity

Question 7

What is the Temporal bone

Answer 7

Form the inferior lateral part of the cranial floor plus part of the lateral wall

Bone Features

Zygomatic process
Mandibular fossa
Mastoid process
Carotid Canal
Styloid process
External and Internal acoustic meatus
Jugular foramen

Question 8

What is the Occipital Bone

Answer 8

Forms much of the posterior wall and the posterior floor of the cranial cavity

Question 9

What is a Sphenoid Bone

Answer 9

Has a complex shape resembling a butterfly

Question 10

Refer to powerpoint once done

Answer 10

Yes