Spinal Cord

Question 1

___ lies within the vertebral canal and protected by three surrounding fibrous membranes

Answer 1

meninges

Question 2

The spinal cord is held in position by ____ on each side

Answer 2

Denticulate ligaments

Question 3

The spinal cord is held in position by ____ inferiorly

Answer 3

filum terminale

Question 4

[Sensory/Motor]

posterior root

Answer 4

sensory

Question 5

[Sensory/Motor]

anterior root

Answer 5

motor

Question 6

Spinal roots leave the vertebral canal through ___ froamina

Answer 6

intervertebral foramina

Question 7

Spinal cord of the adult end in the level of ___

Answer 7

L1

Question 8

[Region in the spine]

Present lateral horn, round shape

Answer 8

Thoracic

Question 9

[Region in the spine]

absent fasciculus cuneatus,
present fasciculus gracilis,
Absent lateral horn
round shape

Answer 9

Sacral

Question 10

[Region in the spine]

present fasciculus gracilis
present fasciculus cuneatus
absent lateral horn
oval shape

Answer 10

cervical

Question 11

[Region in the spine]

absent fasciculus cneatus
present fasciculus gracilis
present lateral horn
round to oval shape

Answer 11

lumbar

Question 12

What are the columns in the white mater?

Answer 12

1. Posterior funiculus
2. Lateral funiculus
3. Anterior funiculus

Question 13

[What are your ascending tracts]

Answer 13

1. Posterior column

2. Spinothalamic tracts

Question 14

What are your descending tracts

Answer 14

1. Lateral corticospinal

Question 15

[Tracts]

responsible for position sense, 2 point discrimination, vibratory sense, steriognosus

Answer 15

Posterior column

Question 16

[Tracts]

crude touch

Answer 16

Anterior spinothalamic tract

Question 17

[Tracts]

pain and temperatyr

Answer 17

lateral spinothalamic tract

Question 18

What are examples of your lateral corticospinal tract?

Answer 18

1. Rubrospinal
2. Lateral reticulospinal
3. Medial reticulospinal
4. Tectospinal
5. Vestibulospinal
6. anterior corticospinal

Question 19

[Lesions of the spinal cord]

Diagnose:

1. Bilateral motor paralysis
2. Loss of pain and temperature

Answer 19

Anterior cord syndrome

1. Motor - spinothalamic
2. Pain and temp - lateral spinothalamic

Question 20

[Lesions of the spinal cord]

Diagnose:
1. Ipsilateral loss of proprioception, vibration, and touch below the level of the lesion

Answer 20

Posterior cord syndrom

Remember, dorsal column = proprio, vibration, touch

Question 21

[Lesions of the spinal cord]

Diagnose:

1. Bilateral motor and sensory deficit
2. UE>LE weakness

Answer 21

Central Cord syndrome

1. Central corticospinal tract affectec (CT>LS)
2. Lateral spinal tract = sensory

Question 22

[Lesions of the spinal cord]

Diagnose:
progressive cavitation around the central canal, loss of pain and temperature sensations in hands and forearm

Answer 22

Syringomyelia

Question 23

[Lesions of the spinal cord]

Diagnose:
polio virus preferentially attacks the ___ horn cells leading to LMNL

Answer 23

Anterior horn cells

Question 24

[Lesions of the spinal cord]

Diagnose:

In tabes dorsalis, what spinal cord roots are affected?

Answer 24

dorsal root

Question 25

[Lesions of the spinal cord] Diagnose: In tabes dorsalis, aside from the dorsal root, what part of the spinal cord are also affected?

Answer 25

dorsal column

Question 26

[Lesions of the spinal cord] Diagnose: A pure motor disease involving the degeneration of anterior horn cells and corticospinal tract; no sensory loss

Answer 26

ALS

Question 27

[Lesions of the spinal cord] Diagnose: 1. Contralateral loss of pain and temperature 2. Ipsilateral loss of proprioception 3. Ipsilateral manifestation of the upper and lower motor neuron lesions

Answer 27

Brown-Sequard Syndrome

Question 28

Romberg test is a test of ___

Answer 28

position sense

Question 29

Pronator drift is a test of ___

Answer 29

position sense

Question 30

A positive Romberg test means that the lesion is affecting the ___

Answer 30

dorsal column

Question 31

A positive pronator drift test means that there is a ___ lesion

Answer 31

corticospinal tract lesion | in the contralateral hemisphere

Question 32

[Eponyms] Wallenberg

Answer 32

Lateral medullary/PICA syndrome

Question 33

[Eponyms] Millard-Gubler

Answer 33

Pons

Question 34

[Eponyms] Claude

Answer 34

Midbrain

Question 35

[Eponyms] Weber

Answer 35

Midbrain

Question 36

[Diagnose] Loss of pain and thermal sensation on the contralateral side about 1-2 segments below the lesion

Answer 36

Anterolatearal syndome

Question 37

Quadriplegia can be due to damage at the level of __

Answer 37

C4 to C6

Question 38

Paraplegia can be due to a damage at the level of? ____

Answer 38

Thoracic vertebra

Question 39

[Guess the damaged vertebra] no function below head needs ventilator

Answer 39

C1-C3

Question 40

[Guess the damaged vertebra] quadriplegia with respiration

Answer 40

C4-C5

Question 41

[Guess the damaged vertebra] loss of lower limb function + loss of hand and variable amount of upper limb function

Answer 41

C6-C8

Question 42

[Guess the damaged vertebra] paraplegia

Answer 42

T1 to T9

Question 43

[Guess the damaged vertebra] some thigh muscle function, long leg braces may be used

Answer 43

T10-L1

Question 44

[Guess the damaged vertebra] most leg muscle function OK, may use short leg brace

Answer 44

L2-L3

Question 45

What are the layers traversed by the spinal needle during lumbar puncture

Answer 45

SS SILEDAS 1. Skin 2. Superficial fascia 3. Interspinous ligament 4. Ligamentum flavum 5. Epidural space 6. Dura mater 7. Arachnoid 8. Subarachnoid space containing CSF

Question 46

In herniating intervertebral disk, the path with least resistance is located in the ___

Answer 46

posterolateral

Question 47

Most common level of spina bifida occulta

Answer 47

L5 to S1