Skeletal System Topic 10

Question 1

How many bones does the axial skeleton have?

Answer 1

80

Question 2

How many bones does the appendicular skeleton have?

Answer 2

126

Question 3

What are the 4 regions of the axial skeleton?

Answer 3

• Skull
• hyoid bone
• vertebral column
• thoracic cage

Question 4

What are the 4 regions of the appendicular skeleton?

Answer 4

• pectoral girdle
• pelvic girdle
• upper limb
• lower limb

Question 5

What are the 3 main groupings of the skull?

Answer 5

• Cranium
• Facial bones
• Auditory ossicles

Question 6

What are the 8 bones of the skull?

Answer 6

• 1 frontal
• 2 temporal
• 2 parietal
• 1 sphenoid
• 1 ethmoid
• 1 occipital

Question 7

What are the 14 facial bones?

Answer 7

• 2 nasal
• 2 maxillae
• 2 zygomatic
• 2 lacrimal
• 2 palatine
• 2 inferior nasal conchae
• 1 vomer
• 1 mandible

Question 8

What are the 3 auditory ossicles?

Answer 8

• Malleus
• Incus
• Stapes

Question 9

What makes up the hard palate in the facial bones?

Answer 9

-2 palatine + 2 maxillae

Question 10

What bone has no articulations?

Answer 10

Hyoid Bone

Question 11

How many vertebrae are in the cervical portion?

Answer 11

7

Question 12

How many vertebrae are in the thoracic portion?

Answer 12

12

Question 13

How many vertebrae are in the lumbar portion?

Answer 13

5

Question 14

How many fused vertebrae are in the saccrum?

Answer 14

5

Question 15

How many fused vertebrae are in the coccyx?

Answer 15

4

Question 16

What is the characteristics of the C1 and C2

Answer 16

atypical

Question 17

What are the characteristics of the C3-C7

Answer 17

typical

Question 18

What can be said regarding the C1

Answer 18

• Atlas
• allows the “yes” motion
• No body or spinous process

Question 19

What can be said regarding the C2

Answer 19

• Has DENS

- Allows the “no” shaking motion

Question 20

What is unique about the C1-C7

Answer 20

all have transverse formina