Back Angiology/Neuroloy

Question 1

What branch of the subclavian A. Makes the Transverse Cervical A.?

Answer 1

Thyrocervical Trunk

Question 2

What hole does the Vertebral A. Pass through?

Answer 2

The transverse foramen of the Cervical Vertebrae

Question 3

How many branches of the posterior Spinal A. Are there?

Answer 3

2

Question 4

The subclavian A. Becomes what after the clavicle?

Answer 4

Axilla Art.

Question 5

What branch of the Axilla A. Gives rise to the Thoacodorsal A.?

Answer 5

Subscapular A.

Question 6

The vertebral A. Can produce what three things?

Answer 6

1. Ant./Post. Segmented Medullary A.
2. Ant./Post. Vertebral Canal Branches
3. Ant./Post. Radicular A.

Question 7

What does the Anterior Vertebral Canal Branch supply/do?

Answer 7

Supplies the anterior vertebral body as well as some of the Vertebral Body bone marrow

Question 8

What does the Posterior Vertebral Canal Branch supply?

Answer 8

The vertebral arch

Question 9

What does the Anterior Radicular A. Do/supply?

Answer 9

Exists unless replaced by Anterior Segmental Medullary A.

Supplies the anterior roots of spinal nerves

Question 10

What does the posterior radicular A. Supply/do?

Answer 10

Same as Ant. Radicular A.

Supplies the posterior roots of spinal N.

Question 11

What does the anterior segmental medullary A. Do?

Answer 11

Feeds directly into anterior spinal A.

Question 12

What does posterior segmental medullary A. Do

Answer 12

Feeds directly into posterior spinal A.

Question 13

How many post. Spinal A. Are there?

Answer 13

2

Question 14

What are the 8 paraspinal arteries that supply the vertebra and paraspinal structures

Answer 14

1. Vertebral A
2. Ascending Cervical A.
3. Deep Cervical A.
4. POsterior Intercostal A.
5. Subcostal A.
6. Lumber A.
7. Iliolumbar A.
8. Lateral Sacral A.

Question 15

How many cervical nerves are there?

Answer 15

8

Question 16

What is the end of the spinal cord called

Answer 16

The medullary cone

Question 17

What are the tail fibers of the spinal cord called

Answer 17

Cauda equina

Question 18

What will happen with a C1-3 transection?

Answer 18

Death

Question 19

What will happen with a C4-5 transection

Answer 19

No function of limbs, but respiratory capable

Question 20

What will happen with C6-8 transection

Answer 20

Loss of hand and upper limb function

Question 21

What will happen with T1-9 transection

Answer 21

Paralysis of both lower limbs

Question 22

What will happen with T10-L1 transection

Answer 22

Some walking allowed

Question 23

What will happen with L2-3 transection

Answer 23

Most lower limb functions present

Question 24

What is the Dura-Arachnoid interface

Answer 24

Potential space, if blood here = bad

Question 25

What is the spinal dural sac

Answer 25

Long tube-shaped sheath surrounding the spinal cord lining the vertebral canal

Question 26

What is the filum terminale internum

Answer 26

Inferior continuation of Pia Mater inferior to conus medullaris

Question 27

What is the filum terminale extrenum

Answer 27

Pia mater plus dura mater

Question 28

What is the arachnoid mater

Answer 28

Membranous layer that lines the spinal dural sac

Question 29

What circulates in the subarachnoid space

Answer 29

CSF

Question 30

What is the lumbar cistern

Answer 30

An enlargement of the subarachnoid space inferior to the conus medullaris containing the cauda equina CSF can pool here

Question 31

Where is a lumbar puncture usually performed

Answer 31

L3/L4 or L4/L5

Question 32

The arachnoid and pia mater form the what

Answer 32

Leptromeninges, they form together