Unit 1 - II. The 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

the axial skeleton and 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

the skull, hyoid, vertebral column, sternum and ribs

Question 6

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

Answer 6

28 bones

Question 7

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

Answer 7

the cranium

Question 8

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

Answer 8

the calvaria or calva

Question 9

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

Answer 9

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

Question 10

What is the neurocranium?

Answer 10

the bones that support or protect the brain

Question 11

How many bones form the typical adult neurocranium?

Answer 11

8 bones

Question 12

What bones form the neurocranium of the typical adult skull?

Answer 12

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

Question 13

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

Answer 13

14 bones

Question 14

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

Answer 14

the bones that support the face or front of the head

Question 15

What bones form the facial skeleton?

Answer 15

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

Question 16

By strict definition, what is the splanchnocranium?

Answer 16

the bones that support the face minus the mandible

Question 17

What bones form the splanchnocranium?

Answer 17

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

Question 18

How many bones comprise the typical adult auditory ossicles?

Answer 18

6 bones

Question 19

What bones comprise the typical adult auditory ossicles?

Answer 19

the stapes, incus, and malleus

Question 20

How many bones are present in the adult hyoid?

Answer 20

1 bone

Question 21

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

Answer 21

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

Question 22

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

Answer 22

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

Question 23

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

Answer 23

the spine

Question 24

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

Answer 24

24 bones

Question 25

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

Answer 25

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

Question 26

How many bones are present in the typical adult sternum?

Answer 26

1 bone

Question 27

What regions are present along the typical adult sternum?

Answer 27

the manubrium sterni, the corpus sterni and the xiphoid process

Question 28

How many ribs are present in the typical adult skeleton?

Answer 28

12 pair or 24 ribs