w3 lab

Question 1

true or false
somatosensory tract not decussate in the spinal cord

Answer 1

false
spinothalamic tract cross spinal cord and ventral white commisure

Question 2

order of spinal cord

Answer 2

8C
12T
5L
5S
1 coccygeal

Question 3

lateral horn from what level

Answer 3

T1 -> L2

Question 4

lateral corticrospinal tracts originates at

Answer 4

cerebral cortex

Question 5

lateral corticrospinal tracts cross the midline in

Answer 5

medulla

Question 6

above foramen magnum are

Answer 6

brain stem, midbrain, medulla
below is spinal cord

Question 7

pre-ganglion neurons of the sympathetic nervous system is

Answer 7

lateral horn

Question 8

autonomic has para + sympathetic, which is what system

Answer 8

motor system

Question 9

pre-ganglionic neurons are

Answer 9

first neurons in the autonomic nervous system (ANS), originating in the brainstem or spinal cord

projecting their axons to ganglia

synapse with postganglionic neurons

Question 10

Parasympathetic preganglionic neurons are in?

Answer 10

cranial nerve nuclei and in the sacral lateral cell column.

Question 11

axons in what tract originate from pyramidal neurons in the contralateral cerebral cortex.

Answer 11

lateral corticospinal tract