Lecture 3 - Spinal Cord and Peripheral Nervous System

Question 1

Label the missing parts of the spinal cord

Answer 1

Question 2

Where do nerves and blood flow move through the spinal cord?

Answer 2

Intervertebral Foramen

Question 3

Label the missing parts

Answer 3

Question 4

How many spinal nerve pairs do we have

Answer 4

31

Question 5

How many spinal nerve pairs are cervical

Answer 5

8

Question 6

How many spinal nerve pairs are thoracic

Answer 6

12

Question 7

How many spinal nerve pairs are Lumbar

Answer 7

5

Question 8

How many spinal nerve pairs are sacral

Answer 8

5

Question 9

How many spinal nerve pairs are found in coccyx

Answer 9

1

Question 10

T or F: Cervical nerves exit above the corresponding vertebra

Answer 10

T

Question 11

Explain why there are 8 cervical nerves

Answer 11

Because C8 leaves above T1

Question 12

Label the 3 meninges

Answer 12

Question 13

Meninges

Answer 13

3 connective tissue membranes that protect the CNS and blood vessels

Question 14

Name the 3 meninges

Answer 14

1. Pia Mater
2. Arachnoid Mater
3. Dura Mater

Question 15

What are the 3 meningeal spaces between each layer

Answer 15

1. Epidural Space
2. Subdural Space
3. Subarachnoid Space

Question 16

Epidural Space is found where

Answer 16

Above dura mater

Question 17

Where is the subdural space found

Answer 17

Below the dura mater

Question 18

Where is the subarachnoid space found

Answer 18

Below the arachnoid

Question 19

What meningeal space does a lumbar puncture take place?

Answer 19

Subarachnoid Space

Question 20

What meningeal space is an epidural provided

Answer 20

Epidural Space

Question 21

Where is CSF fluid found

Answer 21

Subarachnoid space

Question 22

Function of the CSF

Answer 22

Cushion for CNS and nourishes the brain and spinal cord

Question 23

What is the function of the denticulate ligament

Answer 23

Supports the spinal cord and holds pia mater in place

Question 24

Name all the divisions of the PNS

Answer 24

Question 25

Name all the missing parts of the spinal cord

Answer 25

Question 26

White Matter is [myelinated /unmyelinated]

Answer 26

Myelinated

Question 27

Grey matter is [myelinated/unmyelinated]

Answer 27

unmyelinated

Question 28

Ventral is [sensory/motor]

Answer 28

motor

Question 29

Dorsal is [sensory/motor]

Answer 29

sensory

Question 30

Voluntary Muscle innervation pathway...

Answer 30

1) Ventral horn of spinal cord 2) ventral root 3) spinal nerve 4) ventral or dorsal ramus 5) muscle

Question 30

Sensory innervation pathway...

Answer 30

1. Sensory receptor 2. Ventral or dorsal ramus 3. Spinal nerve 4. Dorsal root ganglion 5. Dorsal root 6. Dorsal horn of spinal cord

Question 31

Name what happens at each impairment

Answer 31

1) Spinal nerve -> loss of sensory and motor information 2) Dorsal root -> loss of sensory information 3) Ventral horn of spinal cord -> Loss of motor information

Question 32

Answer 32

Dorsal ramus because they are only having motor problems with dorsal and not ventral areas of body **Ventral refers to front of body and dorsal refers to back of body**