Anatomy of the Cerebellum/Spinal Cord

Question 1

4 paired cerebellar nuclei

Answer 1

Fastigial
Globose
Emboliform
Dentate

Question 2

controls stance/gait, and muscle control

Answer 2

Fastigial

Question 3

Lesion on the this area causes Abasia

Answer 3

Fastigial

Question 4

Lesion on on the Dentate area causes?

Answer 4

delay in initiating and terminating movements, tremorsm intention tremor

Question 5

3 layers of the cerebellar cortex

Answer 5

Molecular
Purkinje
Granular

Question 6

Vascular Supply of the Cerebellum

Answer 6

Posterior inferior (PICA)
Anterior Inferior (AICA)
Superior Cerebellar

Question 7

3 meninges that protects the Spinal Cord

Answer 7

Dura
Arachnoid
PIA

Question 8

golden period for the spinal cord until irreversible damage occurs

Answer 8

2 hours

Question 9

Terminal portion of the spinal cord

Answer 9

Conus Medullaris

Question 10

Firbrous extension of the PIA mater

Answer 10

Phylum terminale

Question 11

Collection of nerve roots at the inferior end of the vertebral column

Answer 11

Cauda Equina

Question 12

2 major blood vessels of the SC

Answer 12

2 posterior - 1/3 of the cord

1 anterior 2/3 of the cord

Question 13

Reinforces the anterior and posterior spinal arteries

Answer 13

Radicular artery

Question 14

Radicular artery is a.k.a.

Answer 14

Adamkewikz

Question 15

Adamkewikz can be damaged in

Answer 15

Kaisons disease and AAA repair

Question 16

3 veins responsible for hematogenous spread of metastastic CA

Answer 16

External vertebral plexus
Internal vertebral plexus
Basivertebral plexus

Question 17

Vertebral Venous plexus is a.k.a

Answer 17

Batson’s plexus

Question 18

Herniation of the cord

Answer 18

Brown Sequard syndrome

Question 19

3 SC tracts

Answer 19

Corticospinal Tract
Dorsal Column
Spinothalamic

Question 20

Lesion of this area produces greater weakness of the ARM>Leg

“Sensory Sparing”

Answer 20

Central Cord Syndrome

Question 21

Complete paralysis of the level of lesion
hyperestria- excessive pain
(-)pain/temp
(+)proprioception

Answer 21

Anterior cord Syndrome

Question 22

Posterior column is responsible for

Answer 22

Vibration and proprioception

Question 23

Lateral Corticospinal is responsible for

Answer 23

fine motor movements of the upper and lower limb

Question 24

Lateral Spinothalamic tract

Answer 24

Pain and temperature

Question 25

(-)virbratory or position sense Paralysis below the lesion (+)pain/temp Extremely rare

Answer 25

Posterior cord Syndrome

Question 26

EXTRA or INTRA medullary? Pain first before weakness _______ example ______ Weakness before pain _________ ex. ________

Answer 26

pain>weakness - Extramedullary - compression fracture | Weakness>pain - Tumor "Epindymoma"

Question 27

Anterior Spinothalamic tract conveys _____

Answer 27

light touch

Question 28

Transection of T1-L1 results to

Answer 28

Paraplegia

Question 29

Transection of the cervical region

Answer 29

Quadriplegia

Question 30

High Cervical Region

Answer 30

C1-C3

Question 31

``` Dermatomal level of each C5 C8 T4 T7 T10 L1 L4 ```

Answer 31

``` C5- shoulder C8-little finger T7- xyphoid T4 - nipple T10 - umbilicus L1 - inguinal L4- medial portion of big toe ```

Question 32

(-) vibration/ position sense Slow degeneration of the dorsal/posterior column Tertiary Syphillis Argill Robertson's Pupil "prostitutes pupil"

Answer 32

TABES DORSALES

Question 33

Pupil that accomodates but does not react

Answer 33

Prostitutes pupil (argill robertsons pupil)

Question 34

Uncrossed tract from the nucleaus of Clarke None of the impulses reaches consious levels fine coordination of posture and movement of individual limb muscle

Answer 34

Posterior spinocerebellar tract

Question 35

Crossed tract concerned with coodrination and movement of Lower Extremeties

Answer 35

Anterior spinocerebellar tract

Question 36

Upper limb equivalent of posterior spinocerebellar tract

Answer 36

Cuneocerebellar tract

Question 37

For behavioral awareness, modification of motor and sensory activities and modulation of Electrocortical Activity

Answer 37

Spinoreticular Tract

Question 38

Motor Pathway for Discrete voluntary skilled movements

Answer 38

Corticospinal System

Question 39

3 divisions of the Corticospinal System

Answer 39

Lateral - larg, crossed Anterior - small uncrossed Anterolateral - minute, uncrossed

Question 40

3 descending tracts from midbrain and their functions

Answer 40

Tectospinal tract - postural movement in response to visual and auditory stimuli Rubrospinal tract: Flexor musle tone Interstitiospinal tract: component of descending MLF

Question 41

MC pituitary Tumor

Answer 41

Prolactinoma

Question 42

Treatment for prolactinoma

Answer 42

Bromocriptine

Question 43

Compression of this area causes bilateral hemianopsia. | Secondary to?______

Answer 43

Optic Chiasma compression 2 to Enlargement of the pitruitary gland

Question 44

accessory oculomotor nucleus that is the parasympathetic pre-ganglionic nucleus that innervates the iris sphincter muscle and the ciliary muscle.

Answer 44

Edinger westpahl nucleus

Question 45

Visual Cortex Brodmanns Area

Answer 45

17

Question 46

Fubers of the Optic Chiasm

Answer 46

Temporal (Lateral) Nasal (Medial)