Axial Skeleton

Question 1

Composition of Axial Skeleton

Answer 1

Skull, Vertebral column, Bony Thorax

Question 1

Cranium

Answer 1

Part of the skull; Protects brain tissue

Composed of Frontal, Parietal, Sphenoid, Temporal, Occipital, and Ethmoid bones

Question 2

Facial bones

Answer 2

Lower part of skull; holds eyes anteriorly, allows facial expressions

Question 3

Parietal Bones

Answer 3

Forms superior and lateral walls of cranium. Comes in pairs

Question 4

Frontal

Answer 4

Forms forehead, under eyebrows and superior part of eyebrows

Question 5

Lies inferior to parietal bones. Joins at squamous suture

Comes in pairs

Answer 5

Temporal

Question 6

Most posterior bone of cranium. Forms floor and back wall of skull

Answer 6

Occipital

Question 7

Butterfly shaped bone. Spans the width of skull; forms part of floor and cranial cavity. Allows pituitary gland and to pass through

Answer 7

Sphenoid

Question 8

Very irregular shaped. Is anterior to sphenoid bone. Roof of nasal cavity and part of medial walls for orbits

Answer 8

Ethmoid

Question 9

Maxilla

Answer 9

Upper jaw composed of 2 maxillary bones. Forms anterior portion of hard palate (roof of mouth)

Question 10

Palatine Bones

Answer 10

Forms posterior part of hard palate (roof of mouth)

Question 11

Zygomatic Bones

Answer 11

Cheekbones. Forms parts of lateral walls of eye orbits

Question 12

Lacrimal Bones

Answer 12

Forms medial walls of orbits. Grooves serve as a passageway for tears

Question 13

Nasal Bones

Answer 13

Forms the bridge of your nose.

Question 14

Vomer Bone

Answer 14

Serves the medial line of the nasal cavity. Forms most of nasal septum

Question 15

Inferior Nasal Concha

Answer 15

Thin, curved bone projecting from walls of nasal cavity

Question 16

Mandible

Answer 16

Lower jaw, largest and strongest bone of face. Forms freely moveable joint where it meets the temporal

Question 17

Hyoid

Answer 17

Is not part of the skull but is closely related to mandible

Question 18

How many Vertebral Bones

Answer 18

24 bones

Question 19

Cervical

Answer 19

7 bones that form the neck region of the spine

Question 20

12 heart-shaped bones that have 2 articulating bones that form head of the ribs

Answer 20

Thoracic Vertebrae

Question 21

First two vertebrae

Answer 21

Atlas and Axis

Question 22

Allows for rotation for Skull

Answer 22

Axis

Question 23

Fibrocartilage between every cartilage

Answer 23

Intervertebral Cartilage
(young people have higher water content in them)

Question 24

Giraffe head looking bone

Answer 24

Spinous Process

Question 25

Composed of 5 bones that are hatchet shaped

Answer 25

Lumbar Vertebrae

Question 26

Sacrum

Answer 26

Fusion of 5 vertebrae that superiorly articulate with L5 and connects with coccyx

Question 27

3-5 irregularly shaped vertebrae shaped together

Answer 27

Coccyx (tailbone)

Question 28

protective cage around Heart, lungs, and major blood vessels

Answer 28

Thoracic Cage

Question 29

Sternum

Answer 29

Flat bone that connects to the first 7 pairs of ribs (True ribs)

Question 30

12 pairs of bones that form walls of thoracic cage

Answer 30

Ribs

Question 31

True Ribs

Answer 31

First 7 pairs of ribs attached by Sternum

Question 32

False Ribs

Answer 32

5 pair of ribs that follow True Ribs

Question 33

Last two pairs of False Ribs

Answer 33

Floating Ribs