Chapter 12: Axial Skeleton

Question 1

Axial skeleton

Answer 1

Head, neck, & trunk

Question 2

Cranial bones are made up of 8 bones:

Answer 2

Frontal, parietal (2), temporal (2), occipital, sphenoid, and ethmoid.

Question 3

Facial Bones are made up of 14 bones:

Answer 3

Maxilla (2), mandible, zygomatic (cheeks-2), nasal (2), lacrimal (tear duct-2), palantine (2), inferior nasal conchae (2), and vomer.

Question 4

The fetal skull has __ soft spots, referred to as fontanelles:

Answer 4

4

Question 5

Hyoid Bone:

Answer 5

Bone above thyroid that does not attach to any other bones. But muscles attach to it. Helps tongue movement and swallowing.

Question 6

There are 24 vertebrae. What are the divisions?

Answer 6

Cervical (7)
Thoracic (12)
Lumbar (5)
\+sacrum
\+ coccyx (tail bone)

Question 7

Vertebrae:

Answer 7

Stacked in a way to give spine flexibility, strength and movement.

Question 8

Sternum:

Answer 8

Dagger shaped, and its the middle of the chest. Zyphoid process is inferior.

Question 9

What are the 3 parts of the sternum?

Answer 9

Manubrium (articulates with clavicle & 1st rib), body, and zyphoid. Next 9 ribs joined to its body (sternum) directly or indirectly via costal cartilage.

Question 10

Thorax–Ribs:

Answer 10

*?