Chapter 4 Flashcards

1
Q

How is a dermatome map used?

A

Doctors use it to diagnose the source of nerve pathologies

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

List the 4 parts of a synovial joint:

A

Articular surface covered in hyaline cartilage, articular cavity, well-former capsule with surrounding ligaments, and a synovial membrane, which secrete synovial fluid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is the function of the dorsal nerve root

A

Provides sensory function

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is the function of the ventral nerve root

A

Provides motor function

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Name the two regions of an intervertebral disc, and describe their functions:

Outer layer: _______
Inner later: ________

A

Outer layer: anulus fibrosis

Inner layer: nucleus pulposus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is the biomechanical function of the intervertebral disc?

A

It acts as a biological shock absorber and a pivot point for motion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

List, in order from superficial to deep, the meninges of the spinal cord:

A

Dura mater, arachnoid, pia mater

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

_____ connect bone to bone

A

Ligaments

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

The _____ ligament system holds system holds individual vertebrae together.

A

Intrasegmental

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

The _____ ligament system holds system holds many vertebrae together.

A

Intersegmental

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

____ _____ - connects the laminae of the vertebrae and protects the neural elements. The strongest of the spinal ligaments, it forms the posterior wall of the spinal canal

A

Ligamentum flavum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

____ ligaments - run from the base of one spinous process to another

A

Interspinous

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

_____ ligament- runs along the posterior portion or distal tips of the spinous processes.

A

Supraspinous

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Spinal canal:

A

It contains the spinal cord and it’s coverings, and is channel created by the sum of the vertebral formina

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Spinal cord:

A

It is the inferior portion of the central nervous system, and is covered and protected by 3 concentric layers of menings

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Meninges

A

Membranes

17
Q

Sciatic nerve:

A

It exists in the sacrum through the sciatic foramen, and serves the leg flexor muscles. It supplies motor and sensory functions to the thigh, knee, calf, ankle, foot and toes.

18
Q

List the posterior, lateral and anger lateral muscles of the back:

A

Transverseospinalis - rotation of the spine

Erector spinae- maintain the spine erect and provide for spinal extension

19
Q

Typical total number in spine: cervical, thoracic and lumbar

A

Cervical-7
Thoracic- 12
Lumbar-5

20
Q

Location and structure of the cauda equine and conus medullaris:

A

Cauda equina: nerve roots in spinal canal, inferior to L2 / resembles horses tail in the dural sac

Conus medullaris: exists at end of spinal cord / conical structure at the end of the spinal cord

21
Q

Structure and function of the spinal nerve

A

Structure: nerve exiting from the spinal cord

Function: provides both sensory and motor functions

22
Q

Structure and function of the autonomic nervous system

A

Structure: comprised of systematic and parasystematic systems

Function: involuntary component of nervous system that controls the function of the internal organs

23
Q

List the 7 bony processes that are found protruding from the vertebral arch.

A

2 transverse processes
2 superior articular processes
2 inferior articular processes
1 spinous process