The Back

Question 1

Approximately how many vertebrae?

Answer 1

33

Question 2

How many cervical vertebrae?

Answer 2

7

Question 3

How many thoracic vertebrae?

Answer 3

12

Question 4

How many lumbar vertebrae?

Answer 4

5

Question 5

How many sacral vertebrae?

Answer 5

5 fused

Question 6

How many coccygeal vertebrae?

Answer 6

4 fused

Question 7

Name the 5 types of vertebrae

Answer 7

Cervical Thoracic Lumbar Sacral (fused) Coccygeal (fused)

Question 8

Movement of thoracic vertebrae

Answer 8

Lots of flexion and extension. Little rotation.

Question 9

Movment of lumbar

Answer 9

Largest weight bearing. Lots of rotation. Little flexion and extension.

Question 10

Intervertebral Disc 2 parts.

Answer 10

25% total length. Annulus fibrosus–fibrocartilage (sponge) Nucleus pulposus–fluid. may herniate, Swells during periods of recumbency.

Question 11

Central Nervous System

Answer 11

Brain/Encephalon Spinal cord. Neurons and Axons all along spinal cord.

Question 12

Three parts of the meninges.

Answer 12

Pia mater Arachnoid mater Dura mater.

Question 13

Identify the Venusian Dimples

Answer 13

Question 14

Identify the C7

Answer 14

Question 15

Posterior Median Furrow

Answer 15

Question 16

Answer 16

Posterior Median Furrow

Question 17

Answer 17

Vertebra Process

(Spinous process of
C7 vertebra)

Question 18

Answer 18

Vertebral Body

Question 19

Answer 19

Vertebral Foramen

Question 20

Answer 20

Vertebral arch

Question 21

Identify these features

Answer 21

L-R Pedicle

Spinous Process

Lamina

Transverse Process

Body

Question 22

Answer 22

Annulus fibrosus
Nucleus pulposus

Question 23

Answer 23

Central Nervous System

Question 24

Answer 24

Peripheral Nervous System

Question 25

Spinal Trapezius attachments

Answer 25

Medial 1/3 of Superior Nuchal Line External Occipital Protuberance ``` Ligamentum Nuchae (dorsal edge) – whole extension to CV7 ``` Spinous Processes TV1 to TV12 (All of the thoracic spine)

Question 26

Trapezius Lateral Attachments

Answer 26

Upper Fibers: Lateral 1/3 of clavicle Acromion Spine of Scapula Middle and Lower Fibers: Spine of Scapula Tubercle of the Spine

Question 27

Trapezius movements

Answer 27

Acts on Shoulder Region Elevation Retraction Rotation of Scapula

Question 29

In the spinal column, the what is in the white matter and in the gray matter?

Answer 29

White matter -- Axons Gray Matter -- Neurons