Axial Skeleton

Question 1

How many bones are in the axial skeleton?

Answer 1

80

Question 2

What are the three functions of the axial skeleton?

Answer 2

1. Form longitudinal axis of body
2. Support head, neck, and trunk
3. Protect brain, spinal cord, and thoracic organs

Question 3

What bones is the skull composed of?

Answer 3

8 cranial bones
14 facial bones

(22 bones total)

Question 4

Mnemomic for Cranial Bones

Answer 4

Ethan’s: Ethmoid
Fried: Frontal
Spanish: Sphenoid
Pasta: Parietal
Tempted: Temporal
Olive: Occipital

Question 5

Mneomic for 14 Facial Bones

Answer 5

My : Mandible
Mouth’s : Maxilla
Pallete: Palatine
Never: Nasal Bones
Liked: Lacrimal
Zuchini: Zygomatic
In: Inferior Nasal Concha
Vinegar: Vomer

Question 6

4 sutures in Skull

Answer 6

Sagittal (separates left and right)
Lambdoid (L at the back) - back
Coronal (frontal thing where crown is worn)
Squamous (s-shaped temporal thing on side) - orange

Question 7

Spinous Process

Answer 7

• a series of levers both for muscles of posture and for muscles of active movement
• can be felt from the back when bending

Question 8

Transverse Process

Answer 8

• ## sticks out from the side

Question 9

How many cervical bones are there?

Answer 9

7

Question 10

How many foramen does the cervical have?

Answer 10

3

Question 11

What is the function of the cervical vertebrae?

Answer 11

Largest (greatest radius) vertebral foramen for passage of the spinal cord

Question 12

How many bones does thoracic vertebrae have?

Answer 12

12

Question 13

What does only the thoracic vertebrae have?

Answer 13

costal facets

Question 14

function of thoracic

Answer 14

holds 12 pairs of ribs

Question 15

How many lumbar vertebrae bones are there?

Answer 15

12

Question 16

Function of Lumbar

Answer 16

biggest ; made to hold weight

Question 17

What is the coccyx?

Answer 17

It is 4 fused vertebrae

Question 18

sacrum

Answer 18

five fused bones

Question 19

What is the bone that holds up the head?

Answer 19

C1 atlas

Question 20

What is the bone that helps turn (has pivot points)

Answer 20

C2/ axis

Question 21

What are three categories of the 12 pairs

Answer 21

• True
  _ False
• Floating

Question 22

Describe the true pairs? How many are there?

Answer 22

1-7
- Attach directly to sternum by individual costal cartilages

Question 23

Describe false pairs? How many are there?

Answer 23

• Attach indirectly to sternum by joining costal cartilage of rib above
• 8 -10

Question 24

Vertberal/Floating Pairs

Answer 24

• 11-12
• No attachment to sternum

Question 25

What are the three parts of the sternum?

Answer 25

Jugular Notch - top
Manubrium - middle
Xiphoid Process- bottom