Ch 4 Axial Skeleton

Question 1

The axial skeleton contains:

Answer 1

bones of the head, neck, spine, chest, trunk

Question 2

The head is divided into ?

Answer 2

cranium and facial bones

Question 3

the skull does what?

Answer 3

protects the brain, eyes, ears, nasal cavity, and oral cavity

Question 4

the cranium provides?

Answer 4

attachment for chewing and head muscles

Question 5

Frontal bone

Answer 5

-cranium
forms forehead

Question 6

the two parietal bones

Answer 6

-cranium
form upper sides and roof of skull

Question 7

the two temporal bones

Answer 7

-cranium
form the sides and base of the skull

Question 8

the ethmoid

Answer 8

-cranium
forms the eye orbit, nose, and part of the floor of the skull

Question 9

the sphenoid

Answer 9

-cranium
forms part of the floor of the skull

Question 10

the occipital

Answer 10

-cranium
forms the back of the skull and part of the base of the skull

Question 11

mandible

Answer 11

moveable lower jaw

Question 12

maxilla

Answer 12

fixed upper jaw

Question 13

the two zygomatic bones

Answer 13

the cheeks

Question 14

the vomer

Answer 14

part of the nasal septum

Question 15

the palatine

Answer 15

roof of the mouth and floor of the nasal cavity

Question 16

the two nasal bones

Answer 16

forms nasal septum and bridge of the nose

Question 17

the two lacrimal bones

Answer 17

the inner corners of the eye

Question 18

the hyoid

Answer 18

single U shaped bone
found in neck between mandible and larynx
provide point of attachment point for swallowing and speech muscles

Question 19

the trunk is ____ to the hyoid?
what does it consist of?

Answer 19

inferior to hyoid
consist of vertebral column, sternum, and rib cage

Question 20

cervical vertebrae

Answer 20

-neck region
C1 to C7

Question 21

thoracic vertebrae

Answer 21

-chest region
T1 to T12

Question 22

lumbar vertebrae

Answer 22

-small of the back
L1 to L5

Question 23

Sacrum

Answer 23

base of the vertebral column

Question 24

coccyx

Answer 24

3 to 5 vertebrae attached to the sacrum

Question 25

how many pairs of ribs attach to the vertebral column ?

Answer 25

12 pairs

Question 26

True ribs

Answer 26

the first 10 pairs of ribs attach to the sternum in the front

Question 26

Floating ribs

Answer 26

the inferior 2 pairs of ribs that do not attach to sternum