Chapter 7 Skeletal system part 3 notes

Question 1

The Axial skeleton forms into how many parts?

Answer 1

3. The skull The Vertebral column The bony Thorax

Question 2

The axial skeleton includes what?

Answer 2

Head, Neck, Trunk Skull Hyoid Bone Vertebral column Thoracic cage Sternum

Question 3

What does the Pectoral Girdle connect to?

Answer 3

Scapula, Clavicle, Arms

Question 4

What does the Pelvic Girdle connect to?

Answer 4

Coxal bones, Legs

Question 5

What two bones form the skull?

Answer 5

The Cranium and the Facial bones

Question 6

What is the function of the Cranium?

Answer 6

Protects the fragile brain tissue

Question 7

What is the function of the facial bones?

Answer 7

Holds the eyes in the anterior position and allows the facial muscles to show our feelings through smiles or frowns

Question 8

What are Sutures?

Answer 8

Interlocking, immovable joints

Question 9

What body part is free moving in the skull?

Answer 9

The jawbone

Question 10

What is a Fissure?

Answer 10

Any wide gap between bones

Question 11

Where does the Coronal (surture) connect?

Answer 11

Between the Frontal and partieal bones

Question 12

Where does the Lamboidal (surture) connect?

Answer 12

Between the occipital and parietal bones

Question 13

Where does the Squamosal (surture) connect?

Answer 13

Between the temporal and parietal bones

Question 14

Where does the Saggital (surture) connect?

Answer 14

Between the parietal bones

Question 15

What is a Fontanels?

Answer 15

“soft spots” on an infants skull

Question 16

What is the Cranium made up of?

Answer 16

8 large flat bones and 2 bones that are not connected

Question 17

Which 8 bones make up the Cranium?

Answer 17

Frontal bone, Parietal bones (paired), Temporal bones, Occipital bones, Sphenoid Bone, Ethmoid Bones

Question 18

What is the Frontal bones?

Answer 18

forms the forehead, the bony projections under the eyebrow and the superior part of each eyes orbit

Question 19

What are the Parietal Bones?

Answer 19

the paried parietal bones form most of the superior and lateral walls of the cranium

Question 20

What are the Temporal bones?

Answer 20

Lie inferior to the pariteal bones

Question 21

What are the Occipital bones?

Answer 21

Most posteior bone of the cranium . Forms the floor and the wall of the skull

Question 22

What is the Sphenoid bone and what is its shape?

Answer 22

Spans the width of the skull and forms part of the floor of the cranial cavity. It is butterfly shaped

Question 23

What is the Ehmoid bone?

Answer 23

Very irregularly shaped; lies anterior to sphenoid. Forms the roof of the nasal cavity and part of the medial walls of the orbit.

Question 24

What is a Foramen in regards to the skull?

Answer 24

refers to the opening of the skull, nerves and blood vessels leave this opening supply the face