Spinal 2

Question 1

what is the MC type of neuron in the CNS

Answer 1

mutlipolar

Question 2

what resorbs excess CSF

Answer 2

arachnoid granulations

Question 3

Where does the spinal cord terminate

Answer 3

L1-L2

Go with L1 if they give u options

Question 4

The end of the spinal cord is called

Answer 4

conus medullaris

Question 5

THe horses tail is aka

Answer 5

cauda equina

Question 6

CSF exchanges between the 3rd and 4th ventricles via

Answer 6

aqueduct of sylvius

Question 7

what is the MC cell in the cerebellum

Answer 7

PURKINJE

Question 8

deiters nuclei is associated with

Answer 8

lateral vestibular

Question 9

Posterior horn is

Answer 9

sensory

Question 10

anterior horn is

Answer 10

motor

Question 11

Lateral horn is

Answer 11

sympathetic

Question 12

UMNL do what to things

Answer 12

increase reflexes, muscle tone, spasticity, hypertrophy, clonus, increased DTR
BILATERAL

Question 13

LMNL do what

Answer 13

decrease all functions

NORMALLY UNILATERAL

Question 14

corticospinal is the only descending tract that is

Answer 14

pyramidal

Very specific like threading a needle

Question 15

Tectospinal tract synapses in

Answer 15

superior colliculus (midbrain) EYES

Question 16

Rubrospional nucleus is

Answer 16

red nucleous

Question 17

Rubrospinal facilitates

Answer 17

flexors

INHIBITs extensors

Question 18

Vestibulospinal facilitates

Answer 18

Extensors

INHIBITS flexors

Question 19

vestibulospinal nucleus is

Answer 19

lateral vestibular nucleus

Question 20

what tract is specific for pain and temp

Answer 20

lateral spinothalamic

Question 21

Syringomyelia is

Answer 21

fluid filled cysts leads to bilateral pain and temp loss

Question 22

Lateral and anterior spinothalamic tracts synapse in what nuclues

Answer 22

substantia gelatinosa

Question 23

What is responsible for tactile sensation

Answer 23

anterior spinothalamic aka tract of Lissauer

Question 24

cuneatus is at what level

Answer 24

above T6

gracillus is below it

Question 25

Where does posterior spinocerebellar synapse in nuclues

Answer 25

nucleus dorsalis

through INFERIOR cerebellar peduncle

Question 26

where does anterior spinocerebellar synapse

Answer 26

nucleus dorsalis

Through SUPERIO cerebellar peduncle

Question 27

spinotectal synapses where

Answer 27

superior colliculus aka spino-quadrigeminal system of mott

Question 28

Spinoreticular tract ascends to the

Answer 28

reticular formation, if damaged patient will be in coma