Spinal Integration

Question 1

White matter tracts are highways for nerve ___

Answer 1

Impulse propagation

Question 2

Gray matter receives and integrates ____ information

Answer 2

Incoming/ outgoing

Question 3

Ascending tracts are ___ pathways

Answer 3

Sensory

Question 4

2 general pathways of somatic sensory to cortex:

Answer 4

Dorsal column/ Medial lemniscus

Anterolateral —Aka spinothalamic

Question 5

Dorsolateral column-medial lemniscus pathway is for:

Answer 5

Fine touch
Vibration
Conscious proprioception

Question 6

Anterolateral system monitors:
Laterally
Anteriorly

Answer 6

Lateral—pain/ temp

Anterior—itch, tickle, pressure

Question 7

Dorsal and ventral tracts perceive:

Answer 7

Unconscious proprioception

Question 8

4 neural motor circuits:

Answer 8

Local circuit neurons
Upper motor neurons
Basal ganglia neurons
Cerebellar neurons

Question 9

Only ___ provide output from the CNS to skeletal muscle fibers

Answer 9

Lower motor neurons

Question 10

___ of the cerebral cortex are essential for planning, initiating, and directing sequences of voluntary movements

Answer 10

Upper motor neurons

Question 11

___ are interconnected with neural circuits of cortex, thalamus, substantia nigra

Answer 11

Basal ganglia neurons

Question 12

___ neurons monitor differences between intended movements and movements actually performed

Answer 12

Cerebellar neurons

Question 13

Basal ganglia neurons assist movements and suppress ___

Answer 13

Unwanted movements

Question 14

Cerebellar neurons monitors difference between ___ movements and movements ___ performed

Answer 14

Intended

Actually performed

Question 15

2 Direct (pyramidal) tracts

Answer 15

Lateral corticospinal

Anterior cortical spinal