Axial Skeleton

Question 1

What’s in axial Skeleton

Answer 1

Skull, vertebral column, thorax

Question 2

Function of axial skeleton

Answer 2

Protects the CNS and vital organs

Question 3

How many bones are in the skull

Answer 3

29

Question 4

Skull is divided into…

Answer 4

Cranial and facial bones

Question 5

Mandible

Answer 5

Lower jaw, holds lower teeth

Question 6

Posterior part of temporal bone has a bump

Answer 6

Mastoid process

Question 7

Condyle of mandible joins the temporal bone to form

Answer 7

TMJ

Question 8

Elevation or bump on occipital bone

Answer 8

External occipital protuberance

Question 9

Roof of orbit

Answer 9

Frontal bone

Question 10

Holds the pituitary gland

Answer 10

Sella Turcica

Question 11

Centrally located, keystone of skull

Answer 11

Sphenoid bone

Question 12

Located between orbital cavities

Answer 12

Ethmoid bone

Question 13

Perpendicular plate in the ethmoid bone forms the

Answer 13

Bony part of nasal septum

Question 14

Projects into floor of cranium anterior lay

Answer 14

Crista Galli

Question 15

Depressions in floor of cranium on which the brain rests

Answer 15

Cranial fossae

Question 16

Three types of cranial fossae

Answer 16

Anterior, middle, and posterior

Question 17

Outgrowths of the nasal cavity into the maxillary, ethmoid, frontal, and Sphenoid bones

Answer 17

Paranasal sinuses

Question 18

What reduces weight of the face

Answer 18

Paranasal sinuses

Question 19

Order of paranasal sinuses

Answer 19

Frontal
Ethmoid
Sphenoid
Maxillary

Question 20

Bones of orbit….

Answer 20

Roof (frontal bone)
Floor (axillary bone)
Medial and lateral wall (ethmoid, zygomatic)

Question 21

In the fetal skull, cranial bones are…

Answer 21

Joined by CT

Slide over one another in childbirth

Question 22

Large areas of connective tissue where some bones intersect

Answer 22

Fontanelles

Question 23

U-shaped bone, in the upper neck

Answer 23

Hyoid bone

Question 24

Attachment sites for tounge and neck

Answer 24

Cornus/ horns

Question 25

Functions of the vertebral column

Answer 25

Structural support Posture Protects spinal cord

Question 26

How many individual vertebrae are there

Answer 26

24

Question 27

How many cervical, thoracic, lumbar, and sacrum bones

Answer 27

Cervical : 7 Thoracic: 12 Lumbar: 5 Sacrum: 5

Question 28

Exaggerated thoracic curve (old people)

Answer 28

Kyphosis

Question 29

Exaggerated lumbar curve (pregnant)

Answer 29

Lordosis

Question 30

Abnormal curve in the coronal plane

Answer 30

Scoliosis

Question 31

What houses the spinal cord

Answer 31

Vertebral canal

Question 32

Features of vertebrate

Answer 32

Large disc like body located anteriorly

Question 33

Between each body is an…

Answer 33

Intervertebral disc

Question 34

Located between bodies of adjacent vertebrae

Answer 34

Invertebral discs

Question 35

Flexion

Answer 35

Forward bending, stretches posterior disc

Question 36

Extension

Answer 36

Backward bending, stretches anterior disc

Question 37

Features of invertbral discs

Answer 37

Account for 1/4 th of entire vertebral column | Act as shock absorbers and provide flexibility

Question 38

First cervical vertebrae?

Answer 38

Atlas, ring of bone with no spinous process

Question 39

Second cervical vertebrae

Answer 39

Axis, has dens

Question 40

True or false | Significant amount of cervical rotation occurs between atlas and axis

Answer 40

True

Question 41

C7 name

Answer 41

Vertebra prominens

Question 42

Allow vertebral arteries to ascend from the lower neck upward to cranium to supply blood to brain

Answer 42

Transverse foramina

Question 43

Breast bone

Answer 43

Sternum

Question 44

How many ribs

Answer 44

12 pairs

Question 45

What is the sternum made up of

Answer 45

Xiphoid process, body, and manubrium

Question 46

What ribs are true, false, and floating

Answer 46

True: 1-7 False: 8-12 11 and 12 are floating

Question 47

Each rib has a

Answer 47

Head, neck, and tubercle

Question 48

Movement of ribs

Answer 48

Elevation and depression

Question 49

Have long spinous processes that are angled inferiority

Answer 49

Thoracic vertebrae

Question 50

What articulates with the ribs

Answer 50

Thoracic vertebrae

Question 51

Largest vertebrae

Answer 51

Lumbar

Question 52

What bears most of the body weight

Answer 52

Lumbar

Question 53

Triangular bone composed of 5 fused vertebrae

Answer 53

Sacrum

Question 54

4 small fused vertebrae, tail bone

Answer 54

Coccyx

Question 55

5 movements of the spine

Answer 55

Flexion, extension, abduction, addiction, rotation