Vertebral column and spinal cord

Question 1

What vertebra does the spinal cord consist of?

Answer 1

33 total

7 cervical
12 thoracic
5 lumbar
5 sacrum (fused)
4 coccyx (fused)

Can This Little Servant Cook

Question 2

How does spinal cord end?

Answer 2

Medullary cone
Filum terminale

Question 3

Label

Answer 3

Question 4

Answer 4

Question 5

Answer 5

Question 6

What is vertebra prominent?

Answer 6

Uppermost spinous process on 7th cervical vertebra

Question 7

When does spinal cord end adults/child?

Answer 7

Adult- L1/L2
Children L3

Question 8

What are 4 curvatures on spine?

Answer 8

1) Cervical curvature
2) Thoracic curvature
3) Lumbar curvature
5) Pelvic curvature

Question 9

State 4 movements vertebral column?

Answer 9

1) Flexion- 40
2) Extension- 15
3) Lateral flexion- 30
4) Rotation- 40

Question 10

Where is rotation most?

Answer 10

Thoracic
Limited lumbar

Question 11

Where is flexion and extension limited? Why?

Answer 11

Thoracic- presence rib cage

Question 12

What allows movement between vertebra?

Answer 12

Intervertebral discs

Question 13

What 2 parts of intervertebral disc?

Answer 13

Nucleus pulposus
Anulus fibrosus

Question 14

How many pair spinal nerve present?
How many cervical, thoracic, lumbar, sacral, coccygeal?

Answer 14

31
Cervical- 8
Thoracic- 12
Lumbar- 5
Sacral- 5
Coccygeal- 1

Question 15

How do spinal nerves leave vertebral canal?

Answer 15

Intervertebral foramen

Question 16

What is:
Conus medullaris
Filum terminale
Cauda equina

Answer 16

Conus medullaris- tapering end of the cord.
Filum terminale- fibrous strand extend from conus medullaris to coccyx
Cauda equina- nerves from lower part of the cord hang down

Question 17

What is end spinal cord?

Answer 17

Conus medullaris

Question 17

What is end spinal cord?

Answer 17

Conus medullaris

Question 18

What is intercristal plane?

Answer 18

L3-L4 interspace
Between highest points iliac crest both sides

Question 19

Spinocerebellar tracts which is ventral? which dorsal?

Answer 19

COVID
Contralateral is ventral
Ipsilateral is dorsal

Question 20

How many pairs thoracic nerves present?

Answer 20

12

Question 21

Does the spinal cord extend entire length adult vertebral column?
Where end in adults?

Answer 21

No
During development vertebral column grows faster than spinal
Spinal cord end adult- L1/L2

Question 22

What does dorsal root of spinal nerve carry?
What does ventral root of spinal nerve carry?

Answer 22

Dorsal- sensory
Ventral- motor

Question 23

What does the ligamentum flavum connect?

Answer 23

Adjacent laminae

Question 24

Where do radicular arteries enter vertebral canal?

Answer 24

Intervertebral foramina

Question 25

Define dermatome? Thumb Nipple line Umbilicus Knee Big toe

Answer 25

Area skin supplies by single spinal nerve a) Thumb: C6 b) Nipple line: T4 c) Umbilicus: T10 d) Knee: L3 e) Big toe: L5

Question 26

What is arterial supply to spinal cord?

Answer 26

Anterior and posterior spinal arteries

Question 27

Name 2 parts intervertebral discs?

Answer 27

Nucleus pulposus Annulus fibrosus

Question 28

What do spinal nerves pass through?

Answer 28

Intervertebral foramina Lies pedicles of adjoining vertebrae

Question 29

What are common signs BSQ syndrome?

Answer 29

Ipsilateral UMN weakness below lvl lesion- sev cortico Ipsilateral loss proprioception and vibration Contralateral lost pain and temp- sev spinothalam

Question 30

4 functions of vertebral column?

Answer 30

1) Protection- enclose and protect spinal cord 2) Support- carry weight body 3) Axis- form central axis 4) Movement- posture and movement

Question 31

In thoracic vertebrae what do transverse process articulate with?

Answer 31

Ribs

Question 32

Function lamina?

Answer 32

Connect transverse and spinous process

Question 33

What connects vertebral body to transverse process?

Answer 33

Pedicles

Question 34

Label colour

Answer 34

Question 35

What are C1 and C2 called? Why different?

Answer 35

C1- atlas C2- axis Allow movement head

Question 36

What are 3 features cervical vertebrae?

Answer 36

1) Bifid spinous process (C1 none) 2) Open transverse foramen 3) Triangular vertebral foramen Smallest

Question 37

How identify thoracic?

Answer 37

Medium size Demi facets- articulate ribs Costal facet- shaft rib Vertebral foramen- circular

Question 38

How identify lumbar?

Answer 38

Largest No transverse foramina or bifid spinous Triangular shape vertebral foramina

Question 39

Answer 39

Question 40

What is projecting bony element on C2? (Axis)

Answer 40

Dens

Question 41

Answer 41

Question 42

How are vertebrae connected?

Answer 42

Articular facets

Question 43

How vertebral bodies indirectly articulated each other?

Answer 43

Intervertebral discs

Question 44

What type joints are vertebral body joints?

Answer 44

Cartilaginous joints

Question 45

Name vert

Answer 45

Name vert

Question 46

Name 3 ligaments strengthen spinal cord? State function?

Answer 46

Ligamentum flavum- extend between lamina adj vert Inter and supraspinous- join spinous process adj vert inter- between process supra- tips Intertransverse ligaments

Question 47

Answer 47