Lower Motor

Question 1

At cervical level, the spinal cord is describes as

Answer 1

Wide and flat, with lots of white matter, and central horn enlargements

Question 2

At _________ level, there is tips sticking out between dorsal and ventral horns (intermediolateral grey column - sympathetic nerves origin)

Answer 2

Thoracic level

Question 3

Where can you find a round cord with ventral horn enlargements

Answer 3

Lumbar level

Question 4

Sacral level spinal cord is characterized by

Answer 4

Small and round with ventral horns enlargements

Question 5

Where would you find the greatest white:grey matter ratio?

Answer 5

Cervical segment

Question 6

What is most prominent at thoracic region?

Answer 6

Dorsolateral sulcus

Question 7

The apex of the dorsal horn is rectangular at the _____________ region

Answer 7

Lumbosacral

Question 8

A prominent feature of the spinomedullary junction is the __________________

Answer 8

Pyramidal decussation

Question 9

Which part of the medulla oblongata resembles the spinal cord?

Answer 9

Caudal extent

Question 10

The pathway associated with sharp pain is the ______________

Answer 10

Spinothalamic

Question 11

Sipinoreticular pathway is associated with ____________ pain

Answer 11

Dull

Question 12

Spinoreticular pathway is blocked by ____________

Answer 12

Morphine

Question 13

IS spinothalamic short or long duration?

Answer 13

Short

Question 14

Which pathway is associated with an emotional autonomic response?

Answer 14

Spinoreticular

Question 15

Unconscious propioception is associated with ______________ pathways

Answer 15

Spinocerebellar

Question 16

Where do spinocerebellar pathways terminate?

Answer 16

Cerebellar cortex

Question 17

List some origins from the corticospinal tract

Answer 17

Cerebral cortex, corona radiata

Question 18

At the level of the lesion one can see (ipsilateral/bilateral) UMN syndrome

Answer 18

Ipsilateral

Question 19

Projection neurons in brainstem nuclei/cerebral cortex send axons caudally, form ______________

Answer 19

Descending tracts

Question 20

If reflexes are normal/increases, is it upper or lower motor neuron?

Answer 20

Upper

Question 21

Rapid/severe atrophy is associated with _________ motor neuron signs

Answer 21

Lower

Question 22

Upper motor neuron location signs of lesions are where?

Answer 22

Brain, C1-C5, T3-L3

Question 23

Muscle Paralysis is associated with upper or lower motor neuron lesion?

Answer 23

Lower

Question 24

Poliomyelitis is a viral infection of a (upper/lower) motor neuron

Answer 24

Lower

Question 25

Describe Brown-Sequard Syndrome

Answer 25

Spinal cord hemisection
Symptoms: ipsilateral UMN below lesion, ipsilateral LMN at lesion, ipsilateral loss of discriminative touch, contralateral loss of pain/temp sensation below lesion

Question 26

A central cord injury can see symptoms as:

Answer 26

Bilateral loss of pain