The Axial Skeleton

Question 1

How many bones form the typical adult skeleton?

Answer 1

206 bones

Question 2

What are the subdivisions of the skeleton?

Answer 2

axial skeleton and the appendicular skeleton

Question 3

How many bones form the typical adult appendicular skeleton?

Answer 3

126 bones

Question 4

How many bones form the typical adult axial skeleton?

Answer 4

80 bones

Question 5

What bones form the axial skeleton?

Answer 5

skull, hyoid, vertebral column, sternum, and ribs

Question 6

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

Answer 6

cranium

Question 7

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

Answer 7

calvaria or calva

Question 8

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

Answer 8

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

Question 9

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

Answer 9

28 bones

Question 10

What bones form the neurocranium of the typical adult skull?

Answer 10

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

Question 11

How many bones form the typical adult neurocranium?

Answer 11

8 bones

Question 12

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

Answer 12

bones that support the face

Question 13

What bones form the facial skeleton?

Answer 13

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

Question 14

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

Answer 14

14 bones

Question 15

By strict definition, what is the splanchnocranium?

Answer 15

the bones that support the face minus the mandible

Question 16

What bones form the splanchnocranium?

Answer 16

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

Question 17

How many bones comprise the typical adult auditory ossicles?

Answer 17

6 bones

Question 18

What bones comprise the typical auditory ossicles?

Answer 18

stapes, incus, and malleus

Question 19

How many bones are present in the adult hyoid?

Answer 19

1 bone

Question 20

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

Answer 20

cervical, thoracic, lumbar vertebrae, sacrum, and coccyx

Question 21

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

Answer 21

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

Question 22

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

Answer 22

spine

Question 23

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

Answer 23

24 bones

Question 24

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

Answer 24

pre-sacral region of the vertebral column or spinal column

Question 25

How many bones are present in the typical adult sternum?

Answer 25

1 bone

Question 26

What regions are present along the typical adult sternum?

Answer 26

manubrium sterni, corpus sterni, and xiphoid process

Question 27

How many ribs are present in the typical adult skeleton?

Answer 27

12 pairs or 24 ribs