BS anatomical structures

Question 1

Anterolateral system

Answer 1

Skin to thalamus.
Anterior=crude sensations
lateral=pain, temperature

Question 2

Dorsal columns

Answer 2

White matter in spinal cord

Ascending pathway–>fine touch and proprioception

Question 3

Dorsal column nuceli

Answer 3

Brain stem

Fine touch

Question 4

Dorsal horn of the spinal cord

Answer 4

Fine touch, proprioception, vibration

Question 5

Encephalin

Answer 5

Pentapeptide involved in nociception

Question 6

Internal arcuate fibers

Answer 6

Cross medulla. Fine touch and proprioception

Question 7

Internal capsule

Answer 7

Inferomedial portions of cerebral hemispheres. Lots of traffic.

Question 8

Lissauer’s tract

Answer 8

Spinal cord

Question 9

Medial lemniscus

Answer 9

Vibratory, touch-pressure

Question 10

Periaqueductal gray

Answer 10

Descending pain modulation

Question 11

Raphé nuclei

Answer 11

Brain stem–> releases seratonin

Question 12

Reticular activating system

Answer 12

Regulating wakefulness and sleep wake transition

Question 13

Rexed’s Lamina

Answer 13

Ten layers of grey matter

Question 14

Ventral posterior (VP) nucleus of the thalamus

Answer 14

Somoato-sensory

Question 15

Ventral white commissure

Answer 15

Pain and temp

Question 16

Anterior lobe of the cerebellum

Answer 16

Mediates unconscious proprioception

Question 17

Ataxia

Answer 17

Lack of voluntary muscle coordination of muscle mov’ts

Question 18

Bradykinesia

Answer 18

Slowness of mov’t

Question 19

Caudate nucleaus

Answer 19

One of the there parts of the basal ganglia.

Controls voluntary mov’t

Question 20

Chorea

Answer 20

Jerky MOv’ts

Question 21

Dorsal spinocerebrall tract

Answer 21

conveys proprioception from muscles/joints

Question 22

Flocculus

Answer 22

Small lobe of cerebellum–>motor control

Question 23

Globus pallidus

Answer 23

Basial ganglia

Question 24

Hyperkinetic

Answer 24

Increase in muscle activity

Question 25

Hypokinetic

Answer 25

Decreased body mov'ts

Question 26

Intention tremor

Answer 26

Braod, coarse, low frequency tremor

Question 27

L-DOPA

Answer 27

From tyrosine. Prescursor to dopamine

Question 28

Nigrostriatal tract

Answer 28

Dopaminergic pathway

Question 29

Putamen nucleus

Answer 29

Regulates mov'ts

Question 30

Striatum

Answer 30

Primary input to basal ganglia

Question 31

Substantia nigra

Answer 31

Reward, addition, mov't

Question 32

Vermis of the cerebellm

Answer 32

Somatosensory input