Axial Skeleton

Question 1

Cranial bones

Answer 1

Protects the brain and organs of hearing and equilibrium. Provides a site of attachment of muscles.

Question 2

Frontal bone

Answer 2

Formes forehead, roof of nasal cavity, and is the superior bone to the eye sockets. (orbits)

Question 3

Parietal bones

Answer 3

Forms sides and roof of cranium, joined at the sagittal suture in the midline, and coronal suture joins the frontal and parietal bones.

Question 4

Temporal bones

Answer 4

Forms sides and base of cranium, contains ear canal.

Question 5

Occipital bone

Answer 5

Forms the back and the base of cranium, and joins the parietal bones at the lambdoidal suture. The bump is called the nuchal line and the inferior portion has a large opening called the foramen magnum, and that’s where the spinal cord passes.

Question 6

Mastoid and styloid processes

Answer 6

Found at the inferior end of the temporal bone, a spot for muscle attachment

Question 7

Fontanel

Answer 7

Soft spot of the cranium, where the sagittal suture meets the lambdoidal suture and the coronal suture

Question 8

Functions of the facial bones

Answer 8

Support and protect the organs of sight, hearing and smelling for muscle attachment.

Question 9

Zygomatic bone

Answer 9

Forms lower part of eye sockets and prominence of cheek

Question 10

Maxilla

Answer 10

Upper jaw bone

Question 11

Mandible

Answer 11

Lower jaw bone, strongest bone in your face

Question 12

Nasal bone

Answer 12

Found at the superior end of the nose, inferior end is cartilage

Question 13

Functions of the Vertebral Column

Answer 13

-Protects the spinal cord
-Provides attachment for ribs and muscles
-Movement and support

Question 14

Nucleus Pulposus

Answer 14

A spongy semi-fluid tissue found in the discs of the vertebrae. It helps absorb shock and allows the spine to be flexible.

Question 15

Cervical (7)

Answer 15

-C-1 (atlas) articulates the occipital condyles of the skull and moves head as if saying yes
-C-2 (axis) moves the head as if saying no
-only vertebrae with transverse process

Question 16

Thoracic (12)

Answer 16

Ribs attach and spinous process angles downward

Question 17

Function of the Thoracic cage

Answer 17

-Protection of the heart and lungs
-Supports the shoulder girdle and the upper limbs
-Includes the ribs and the sternum

Question 18

Sternum

Answer 18

Flat bone, anterior to the heart, 3 bones with fibrocartilage joints.

Question 19

Manubrium

Answer 19

The superior part of the sternum. Articulates with the clavicle and the first pair of ribs.

Question 20

Body

Answer 20

Middle part of the sternum, articulates with the costal cartilage