CH 4 - Back

Question 1

Number of Vertebrae

Answer 1

7 Cervical
12 Thoracic
5 Lumbar
5 fused Sacral
3 fused Coccyx

Question 2

Primary Curvature

Answer 2

Thoracic & Sacral (Kyphosis)

Question 3

Secondary Curvature

Answer 3

Cervical & Lumbar (Lordosis)

Cervical formed when picking up head; Lumbar when you start walking

Question 4

Typical Cervical Vertebrae

Answer 4

Small Vertebral Body
Bifid Spinous Process
Transverse Foramen
Uncinate Process
Horizontal orientation facets
Relatively thick IV disks

Question 5

Uncinate Process

Answer 5

Feature of cervical vertebrae that is a bump on the dorsal portion of the body

Question 6

Atlas

Answer 6

C1
Ring shaped
No vertebral body/spinous process
Superior facet concave
"Yes" Movement

Question 7

Axis

Answer 7

Dens (Odontoid Process)

“No” Movement (atlanto-occipital joints)

Question 8

Vertebral Prominens

Answer 8

C7

No bifid spinous process

Question 9

Thoracic Vertebrae

Answer 9

Heart-shaped body
Spinous process slopes inferiorly
Costal facets
Vertical articular facets

Question 10

Costal Facets

Answer 10

superior, inferior, transverse

Question 11

Thoracic Vertical Articular Facets

Answer 11

Thoracic vertebrae
Coronal plane
Superior face posterior
Inferior face anterior
Permit rotation
Limits flexion/extension/lateral bending

Question 12

Lumbar Vertebrae

Answer 12

Large vertebral bodies
Stout processes
Vertical articular facets
Moose looking

Question 13

Lumbar Vertical articular facets

Answer 13

Sagittal plane
Superior facets face superiormedially
Inferior facets face inferolaterally
Permit flexion/extension/lateral flexion
Limits rotation

Question 14

Sacrum

Answer 14

Median Crest (Spinous processes)
Intermediate Crest (Articular processes)
Lateral crest (Transverse processes)
Foramina

Question 15

Sacral Foramina

Answer 15

Ventral primary rami

Dorsal primary rami

Question 16

Intervertebral Joints

Answer 16

Symphyses of vertebral bodies

Secondary cartilagenous joints

Question 17

Zygapophysial Joints

Answer 17

Synovial facet joints

Question 18

Uncovertebral joints

Answer 18

C3-C6

Uncinate processes articulate with inferior posterior surface of superior vertebral body

Question 19

Radicular Pattern

Answer 19

Distribution of one spinal nerve

Question 20

Annulus Fibrosus

Answer 20

Outer layer of Intervertebral discs

Narrow posterior

Question 21

Nucleus Pulposus

Answer 21

Inner layer of intervertebral discs
High water content
Eccentric location

Question 22

Ligaments of Intervertebral Joints

Answer 22

Stabilize intervertebral discs and vertebral bodies

Limit excessive flexion and extension

Question 23

Anterior Longitudinal Ligament

Answer 23

Sacrum to C2
Wides
Anterior face of vertebral bodies and discs

Question 24

Posterior Longitudinal Ligaments

Answer 24

Sacrum to C2
Continues as tectorial membrane
Weak lateral aspect
Posterior face of vertebral bodies and discs

Question 25

Posterior Ligaments

Answer 25

``` Flavum Supraspinous (Sacrum to C7) Nuchal (C7 to Occiput) Interspinous Intertransverse ```

Question 26

Atlanto-Occipital Joint

Answer 26

Synovial Condyloid Joint

Question 27

Atlanto-Axial Joint

Answer 27

Synovial Joints 2 planar - facets 1 Pivot - around the dens (Odontoid process)

Question 28

Anterior Atlanto-Occipital Membrane

Answer 28

Continuous with Anterior Atlanto-axial membrane | Superior border of C1 arch to basilar part of occipital bone

Question 29

Posterior Atlanto-Occipital Membrane

Answer 29

Continuous with ligamentum flavum | Wide

Question 30

Cruciate Ligament

Answer 30

Transverse ligament Superior/Inferior longitudinal bands Posterior surface of dens

Question 31

Alar Ligaments

Answer 31

Posterior part of dens to base of foramen magnum

Question 32

Typical Vertebrae Blood Supply

Answer 32

Segmental arteries

Question 33

Segmental Arteries

Answer 33

Paired, arise from aorta Different names in different regions Spinal branches enter Intervertebral foramina to reach canal

Question 34

Medullary Cone

Answer 34

L1-L2 vertebrae

Question 35

Cervical Enlargement

Answer 35

C4-T1

Question 36

Lumbosacral Enlargement

Answer 36

T11-S1

Question 37

Cauda Equina

Answer 37

Nerve Roots | L2-C1

Question 38

Spinal Cord Segment

Answer 38

Area of the cord defined by attachment of rootlets from only one spinal nerve

Question 39

Spinal Spaces

Answer 39

Extradural; Subdural; Subarachnoid

Question 40

Extradural Space

Answer 40

Fat

Question 41

Subdural Space

Answer 41

Interface

Question 42

Subarachnoid space

Answer 42

CSF