Cerebellum

Question 1

cerebellum fxn

Answer 1

planning and fine tuning muscle contractions

Question 2

cerebellum from….

Answer 2

metoncephalon

Question 3

cerebellum parts

Answer 3

vermis (midline)
2 intermediate hemispheres
2 lateral hemispheres
flocculonodular lobe

Question 4

vermis fxn

Answer 4

axial and proximal limb muscles

Question 5

intermediate fxn

Answer 5

distal musculature

Question 6

lateral fxn

Answer 6

motor planning

Question 7

which parts influence CST

Answer 7

lateral and intrermediate

Question 8

flocculonodular lobe fxn

Answer 8

balance and eye mvmts

Question 9

input for vermis

Answer 9

spinal cord

Question 10

input for intermediate

Answer 10

spinal cord

Question 11

input for lateral

Answer 11

cerebral cortex

inferior olivary nuc

Question 12

input for flocculonodular

Answer 12

vestibular nuclei (VIII)

Question 13

tracts out

Answer 13

SCP

superior cerebellar peducle

Question 14

tracts in

Answer 14

inferior cerebellar peduncle (ICP)

middle cerebellar peduncle (MCP)

Question 15

cells that leave cerebellum (have influence)

Answer 15

purkinje cells

Question 16

cells that leave cerebellum (have influence)

Answer 16

purkinje cells

Question 17

NTs in cerebellum

Answer 17

all cells use GABA except granulse cells (glutamate)

Question 18

cells in cerebellum

Answer 18

purkinje
granule cells
stellate cells
basket cell
golgi cell

Question 19

fibers in cerebellum

Answer 19

climbing (from olivary nuc)

mossy (from spinal cord, pontine, vestibular)

Question 20

fibers in cerebellum

Answer 20

climbing (from olivary nuc)

mossy (from spinal cord, pontine, vestibular)

Question 21

deep nuclei

Answer 21

lateral: dentate

Question 22

cerebellar lesion (side)

Answer 22

ipsilateral

Question 23

cerebelllum lesion theme

Answer 23

tremor w/ mvmt

Question 24

vermis lesion sx

Answer 24

difficult ot maintain posture/balance

motor/cerebellar ataxic gait

Question 25

motor ataxia vs sensory ataxia

Answer 25

motor has Romberg sign

Question 26

Romberg sign

Answer 26

sway when close eyes (no more visual help)

Question 27

cerebellar hemisphere lesion

Answer 27

intention tremor w/ voluntary mvtmt mostly fine @ rest dysmetria dysdiadochokinesis

Question 28

dysmetria

Answer 28

can't stop mvmt at right place (measure) | use finger to nose test

Question 29

dysdiadochokinesis

Answer 29

can't perform rapidly alternating mvmts

Question 30

flocculonodular lobe lesion sx

Answer 30

scanning dysarthria | abnormal conjugate gaze

Question 31

scanning dysarthria

Answer 31

break words into syllables

Question 32

abnormal conjugate gaze

Answer 32

trouble placing eyes where you want

Question 33

thiamine + Cb

Answer 33

thiamine def --> trouble for PCs in ant vermis for LL | --> motor ataxia but no signs in UL or cranial