Cerebellum and Spinal Cord

Question 1

Cerebellum is divided into ? 
midline structure is the ?
the cerebellum has a similar layered structure to the cerebrum: 
outside 
inside

Answer 1

two cerebellar hemispheres

vermis

gray matter
white matter

Question 2

Cerebellum:

each hemisphere is divided into three lobes

anterior lobe

posterior lobe

flocculonodular lobe

Answer 2

muscle tone, body posture and equilibrium

planning and coordination of movements

equilibrium and coordination of eye movements

Question 3

Attached to the ? of ?

connected to the brainstem through 3?

the cerebellum has a distinctive appearance, the convolutions of cerebellum are called ?

Answer 3

dorsal surface/ pons and medulla

cerebellar peduncles (superior, middle, and inferior cerebellar peduncles)

folia (leaves in Latin)

Question 4

Cerebellum Functions:

maintain ?
coordinates ? and fine tunes?
cerebellum DOES NOT?
influences ?

works as a team with the ? to ?
-compares the ? for intended movements with the ? in terms of ?

Answer 4

equilibrium and balance

• motor control /motor activity
• initiate motor commands
• timing between motor movements

motor cortex, basal ganglia and spinal cord / smooth and correct the motor output
-efferent commands/ sensory information/anticipated and ongoing motor program

Question 5

Not just responsible for motor coordination, also involved in

Answer 5

memory
language
attention
speech

Question 6

Signs of Cerebellar damage

VANISHED

Answer 6

vertigo
ataxia 
nystagmus 
intentional tremor 
slurred speech 
hypotonia 
exaggerated broad based gait 
disdiadochokinesia

Question 7

The Spinal cord:

the major ?

Answer 7

highway connecting the brain and peripheral nervous system

Question 8

Protective coverings:

Answer 8

back bone (vertebral column)
meninges
CSF

Question 9

Spinal cord segments

Answer 9

cervical 
thoracic 
lumbar 
sacral 
coccygeal

Question 10

Beginning and End of spinal cord

• begins at ?
• hole in

terminates at ? at level of ?

other spinal nerves trail down like?
-called

Answer 10

foramen magnum
-base of skull

conus medullaris
-1st or 2nd lumbar vertebrae

horse’s tail
cauda equina - descending peripheral nerves

Question 11

Internal organization:
bundle of ?
dorsal horn: processes
ventral horn: processes

Answer 11

white matter and gray matter

sensory info to brain

motor info from brain

Question 12

All spinal cord segments have ?

Answer 12

two spinal nerves with a dorsal and ventral root

Question 13

Cervical nerves:

C? - C?

Answer 13

1-8

head and neck 
diaphragm 
deltoids, biceps 
wrist extenders 
triceps 
hand

Question 14

Thoracic nerves:

T?-T?

Answer 14

T1-T12

chest muscles
abdominal muscles

Question 15

Lumbar nerves

L1-?

Answer 15

L5

leg muscles

Question 16

Sacral nerves

S1-?

Answer 16

S5

bowel, bladder
sexual functions

Question 17

spinal cord injury overview: 
inability to ?
...
inability to 
loss of 
difficulty

Answer 17

pain and numbness
move 
muscle spasms 
feel pressure 
bowel control 
breathing