The human body - divisions of the spinal column - ch 3

Question 1

How many bones does the spinal column consist of?

Answer 1

26

Question 2

What are the 26 bones within the spinal column known as?

Answer 2

vertebra (plural vertebrae)

Question 3

How many divisions of the spinal column consist?

Answer 3

5

Question 4

Name the 5 divisions of the spinal column?

Answer 4

1. cervical
2. thoracic
3. lumbar
4. sacral
5. coccygeal

Question 5

How many vertebrae are found in the cervical division of the spine?

Answer 5

7

Question 6

How are the 7 vertebrae found in the cervical division labelled?

Answer 6

C1 - C7

Question 7

Name the region of the body in which the 7 vertebraes within the cervical division are found?

Answer 7

Neck region

Question 8

How many vertebrae are found in the thoracic division of the spinal column?

Answer 8

12

Question 9

How are the 12 vertebrae found in the thoracic division labelled?

Answer 9

T1 - T12

Question 10

Name the region of the body in which the 12 vertebrae within the thoracic division are found?

Answer 10

Chest region

Question 11

In the chest region are 12 pairs of ribs, which spinal division are they attached to?

Answer 11

Thoracic

Question 12

How many vertebrae are found in the lumbar division of the spinal column?

Answer 12

5

Question 13

How are the 5 vertebrae found in the lumbar division labelled?

Answer 13

L1 - L5

Question 14

Name the region of the body in which the 5 vertebrae within the lumbar division are found?

Answer 14

Fland region (the area between the ribs and the hip bone)

Question 15

How many vertebrae are found in the sacral division of the spinal column?

Answer 15

5

Question 16

How are the 5 vertebrae found in the sacral division labelled?

Answer 16

S1 - S5

Question 17

The 5 vertebrae labelled S1 - S5 found in the sacral division are fused to form a single bone, what is the name of this bone?

Answer 17

Sacrum

Question 18

How many bones are fused together to form the coccyx or tailbone?

Answer 18

4

Question 19

What is the spinal column made up of?

Answer 19

bone tissue and spinal cord

Question 20

What type of tissue does the bone tissue and spinal cord consist of?

Answer 20

nervous tissue

Question 21

Each vertebrae is separated by an intervertebral space which contains a small disc, what is this disc made up of?

Answer 21

Water and cartilidge

Question 22

What is the purpose of the small disc found in the intervertebral space?

Answer 22

1. To act as a cushioning mechanism for the vertebrae as well as a stabiliser.
2. To ensure continued movement of the spinal column

Question 23

If an intervertebral space is labelled T12/L1. Explain where this vertebrae space is found.

Answer 23

T12/L1 is the space between the last vertebrae in the thoracic vertebra (T12) and the first Lumbar vertebra (L1)