The Spine

Question 1

How many “regions” of the spine is there?

Answer 1

5

1) cervical
2) thoracic
3) lumbar
4) sacrum
5) coccyx

Question 2

Ho many vertebral columns is there in the cervical spine?

Answer 2

7

Question 3

How many vertebral columns is there in the thoracic spine?

Answer 3

12

Question 4

How many vertebral columns is there in the lumbar spine?

Answer 4

5

Question 5

The entire weight of the upper body is transfered from the 5th lumbar to the base of the sacrum on the L5-S1 disk.

True or False?

Answer 5

True

Question 6

What is the bony prominence seen at S1 called?

Answer 6

sacral promontory

Question 7

Why is there not a spinous process in the 5th sacral region?

Answer 7

it is absent, leaving an opening called the sacral hiatus.

Question 8

How many vertebral columns is there in the sacral spine?

Answer 8

5 fused segments

Question 9

the extreme outward curvature of the vertebral body is called

Answer 9

kyphosis

Question 10

The extreme inward curvature of the vertebral body is called

Answer 10

lordosis

Question 11

the condition of extreme lateral curvature

Answer 11

scoliosis

Question 12

Where does the spinal cord originate?

Answer 12

the base of the brain at level of the medulla oblongata

Question 13

Is the spinal cord thicker or thinner at the cervical and lumbar regions?

Answer 13

thicker

Question 14

At what level of the spine does the “spinal cord “ stop?

Answer 14

L1-L2

Question 15

When the spinal cord tapers, the ___ ____ is formed.

Answer 15

Conus medullaris

Question 16

Is the spinal cord full of white matter or gray matter?

Answer 16

gray matter composed of nerve cells

Question 17

CSF circulates between the arachnoid and the pia mater

True or False?

Answer 17

True

Question 18

What are the three meninges of the brain/spinal cord?

Answer 18

dura mater, arachnoid mater, and pia mater.

Question 19

At what level is the “brachial plexus” located?

Answer 19

at c5-C7 and T1

Question 20

What are the two large ligaments of the vertebral body?

Answer 20

Anterior longitudinal ligament and posterior longitudinal ligament.

Question 21

CT best visualizes vertebrae.

True or False

Answer 21

True

Question 22

MRI best sees the disks, spinal cord and ligaments.

True

Answer 22

True

Question 23

Gray matter is composed of ____ cells and run along the entire length of the cord.

Answer 23

nerve cells

Question 24

Whats another word for transverse ligament?

Answer 24

cruciform ligament

Question 25

The first cervical vertebra is called the _____.

Answer 25

atlas

Question 26

The cerebral spinal fluid is contained in the spinal cord by the ______ sac

Answer 26

thecal

Question 27

This results when someone injures the spinal cord between the cervical and lumbosacral enlargements.

Answer 27

Paraplegia

Question 28

This results if the patient injures the spinal cord above the level of C3

Answer 28

Quadriplegic

Question 29

What is the largest nerve in the body?

Answer 29

The sciatic nerve

Question 30

At what level of the spine does the spinal cord end?

Answer 30

L1-L2 , where the conus medullaris is.

Question 31

What is the correct term for the bundle of nerves at the end of the spinal cord that resembles a horse’s tail

Answer 31

Cauda equina

Question 32

What is the second cervical vertebra called?

Answer 32

the axis

Question 33

What protects the spinal cord?

Answer 33

the cerebral spinal fluid

Question 34

The shock absorbers used in supporting body weight are

Answer 34

intervertebral discs

Question 35

What is the function of a phrenic nerve?

Answer 35

controls the diaphragm

Question 36

At what level does the trachea bifurcate?

Answer 36

T5