The Axial Skeleton

Question 1

What bones form the axial skeleton?

Answer 1

the skull, hyoid, vertebral column, sternum, and ribs

Question 2

What is the name given to the adult skull minus the mandible?

Answer 2

the cranium

Question 3

What are the names given to the top of the adult skull?

Answer 3

the calvaria or calva

Question 4

What are the categories of bone forming the typical adult skull?

Answer 4

the neurocranium, the facial skeleton (splanchnocranium or visceral skeleton), and the auditory ossicles

Question 5

What is the total number of bones forming the typical adult skull?

Answer 5

28 bones

Question 6

What bones form the neurocranium of the typical adult skull?

Answer 6

the frontal, parietal, temporal, occipital, sphenoid, and ethmoid

Question 7

How many bones form the typical adult neurocranium?

Answer 7

8 bones

Question 8

What is the facial skeleton (splanchnocranium or visceral skeleton)?

Answer 8

the bones that support the face

Question 9

What bones form the facial skeleton?

Answer 9

mandible, vomer, nasal, maxilla, lacrimal, inferior nasal concha, palatine, and zygomatic

Question 10

How many bones form the facial skeleton (splanchnocranium or visceral skeleton)?

Answer 10

14 bones

Question 11

By strict definition, what is the splanchnocranium?

Answer 11

the bones that support the face minus the mandible

Question 12

What bones form the splanchnocranium?

Answer 12

vomer, nasal, maxilla, lacrimal, inferior nasal concha, palatine, and zygomatic

Question 13

How many bones comprise the typical adult auditory ossicles?

Answer 13

6 bones

Question 14

What bones comprise the typical adult auditory ossicles?

Answer 14

the stapes, incus, and malleus

Question 15

How many bones are present in the adult hyoid?

Answer 15

1 bone

Question 16

What bones comprise the typical adult vertebral column or spinal column?

Answer 16

the cervical, thoracic, lumbar vertebrae, and the sacrum and coccyx

Question 17

What is the number of bones comprising each region of the typical adult spinal column or vertebral column?

Answer 17

7 cervical, 12 thoracic, and 5 lumbar vertebrae, 1 sacrum, and 1 coccyx

Question 18

What is the name given to the presacral region of the typical adult vertebral column or spinal column?

Answer 18

the spine

Question 19

What is the total number of bones forming the typical adult spine?

Answer 19

24 bones

Question 20

What is the definition of “spine” as it pertains to the vertebral column?

Answer 20

the pre-sacral region of the vertebral column or spinal column

Question 21

How many bones are present in the typical adult sternum?

Answer 21

1 bone

Question 22

What regions are present along the typical adult sternum?

Answer 22

the manubrium sterni, the corpus sterni, and the xiphoid process

Question 23

How many ribs are present in the typical adult skeleton?

Answer 23

12 pairs or 24 ribs