(4) Back Angiology and Neurology

Question 1

What is this?

Answer 1

Subclavian A.

Question 2

What is this?

Answer 2

Subclavian A.

Question 3

Label the following structures on the

Subclavian A.

Answer 3

Question 4

Label the following structures on the

Subclavian A.

Answer 4

Question 5

What is this?

Where does this travel?

Answer 5

Vertebral A.

*Travels through the transverse foramena of the cervical vertebrae

***Goes along the posterior arch of tha atlas to enter the foramen magnum

Question 6

What is this?

Answer 6

Suboccipital Triangle

Question 7

What artery can be identified with this view?

What nerve can be identified with this view?

Answer 7

• Vertebral A. (*travels over posterior arch of atlas)
• Suboccipital N.

Question 8

Why do we care about the vertebral A. when we are studying the muscles of the back?

Answer 8

The vertebral A. are what produce the…

Spinal Arteries

(Posterior and Anterior)

*they are tiny, not going to look for them in lab

Question 9

Identify this:

Answer 9

Transverse Cervial A.

Question 10

Identify this:

Answer 10

Transverse Cervical A.

Question 11

Identify this:

Answer 11

Dorsal Scapular A.

Question 12

Identify this:

Answer 12

Dorsal Scapular A.

Question 13

When does the subclavian a. change name?

Answer 13

When it passes the 1st rib, becomes the…

axillary a.

Question 14

Identify the following:

Answer 14

Question 15

Identify the following:

Answer 15

Thoracodorsal A.

Question 16

Identify the following:

Answer 16

Thoracodorsal A.

Question 17

In cadaver lab, typically how to you distinguish a

VEIN

Answer 17

Darker

(b/c looking through thin wall of vein to preserved blood that’s stuck inside)

Question 18

In cadaver lab, typically how to you distinguish a

ARTERY

Answer 18

ROUNDER

MORE SQUIGGILY

Question 19

In cadaver lab, typically how to you distinguish a

NERVE

Answer 19

Flatter

Shiny

Straight path

Question 20

Paraspinal Arteries

Label the diagram

Answer 20

Question 21

How many posterior spinal a. are there?

Answer 21

2

Question 22

How many anterior spinal a. are there?

Answer 22

1

Question 23

What are the 8 arteries that supply the paraspinal arteries?

Answer 23

1. Vertebral A.
2. Ascending Cervical A.
3. Deep Cervical A.
4. Posterior Intercostal A.
5. Subcostal A.
6. Lumbar A.
7. Iliolumber A.
8. Lateral Sacral A.

Question 24

How many cervical spinal nerves are there?

Answer 24

8

Question 25

How many thoracic spinal nerves are there?

Answer 25

12

Question 26

How many lumbar spinal nerves are there?

Answer 26

5

Question 27

How many sacral spinal nerves are there?

Answer 27

5

Question 28

How many coccygeal spinal nerves are there?

Answer 28

1

Question 29

The spinal cord is enlarged at:

Answer 29

1. Cervical region 2. Lumbosacral region \*more neural tissue there

Question 30

What does the **medullary cone** represent?

Answer 30

Spinal cord ends

Question 31

What is the **cauda equina?**

Answer 31

(Posterior to medullary cone) **Spinal nerve ROOTS**

Question 32

What are the meninges?

Answer 32

Coverings of our brain and spinal cord

Question 33

What are the three types of meninges?

Answer 33

1. Dura mater 2. Arachnoid mater 3. Pia mater

Question 34

Label the diagram

Answer 34

Question 35

Label the following:

Answer 35

Question 36

Label the following:

Answer 36

Question 37

Label the diagram:

Answer 37

Question 38

Label the diagram

Answer 38

Question 39

Label the diagram:

Answer 39

Question 40

Label the diagram:

Answer 40

Question 41

WATCH THIS VIDEO TO LEARN SUBCLAVIAN ARTERY

Answer 41

https://www.youtube.com/watch?v=bvIAOWyLQxQ

Question 42

Arch of the Aorta: What are the three major arteries/trunks that come off the **Arch of the Aorta?**

Answer 42

- Brachiocephalic Trunk - Left Common Carotid A. - Left Subclavian A.

Question 43

Off of the arch of the aorta, leading through the **braciocephalic trunk...** What two arteries bifurcate?

Answer 43

- Right Subclavian A. - Right Common Carotid A.

Question 44

How many arteries come off of the **subclavian a.?** What are they called?

Answer 44

2!!! - Vertebral A. - Internal Thoracic A.

Question 45

Subclavian A. How many *_trunks_* come off of the **subclavian a.?** What are the called?

Answer 45

2!!! Thyrocervical Trunk Costocervical Trunk

Question 46

What arteries come off of the **thyrocervial trunk?**

Answer 46

- Inferior Thyroid A. --\> (Ascending cervial A. ) - Suprascapular A. - Transverse Cervical A.

Question 47

The **_ascending cervial a_**. produces what three branches in the upper cervical region?

Answer 47

- _Equatorial Branches_ (supply vertebrae) - _Periosteal Branches_ (supply periostium of vertebrae) - _Spinal Branches_ (only at cervical regions)

Question 48

What do **spinal branches** produce?

Answer 48

Anterior/Posterior Vertebral Canal Branches Anterior/Posterior Radicular As. Anterior/Posterior Segmental Medullary As.

Question 49

How to **spinal branches** travel?

Answer 49

Through the intervertebral foramen

Question 50

What are the arteries that branch off of the **Thyrocervical Trunk?**

Answer 50

Inferior Thyroid A. Suprascapular A. Transverse Cervical A.

Question 51

What branches off the **costocervical trunk?**

Answer 51

- Deep cervical A. - Supreme Intercostal A. - Dorsal Scapular A.