spinal cord

Question 1

anterior/ventral funiculus

Answer 1

mostly motor functions

Question 2

lateral funiculus

Answer 2

mostly motor some sensory

Question 3

posterior/dorsal funiculus

Answer 3

only sensory
fasiciculus gracilis at all cord levels
fasiciculus cuneatus from c1-t6

Question 4

central process enters

Answer 4

spinal cord gray matter

then synapse on cells in dorsal horn or ascend to other levels

Question 5

anterior horn cells

Answer 5

GSE

innervate skeletal muscle

Question 6

lateral horn cells

Answer 6

GVE

innervate postglanglionic neurons that control cardiac and smooth muscle and glands

Question 7

dorsal root ganglion neurons give rise to

Answer 7

peripheral process that innervates dermatome

central process entering spinal cord to bring info to CNS

Question 8

descending motor pathways in lateral funiculus

Answer 8

extemeties

Question 9

descending motor pathways in medial funiculus

Answer 9

trunk and axial musculature

Question 10

reflexes

Answer 10

local circuits in spinal cord

Question 11

___ are the receptors for stretch reflex

Answer 11

muscle spindles

Question 12

____ are main muscle contractors that generate force/movement and innervated by ____

Answer 12

extrafusal fibers and alpha motor neurons

Question 13

____are special sensory organs within muscles that detect muscle length

Answer 13

intrafusal fibers

Question 14

golgi tendon organ innervated by

Answer 14

1b fibers

it senses force generated by muscle

Question 15

stretch reflex afferent

Answer 15

1A II

Question 16

stretch reflex efferent

Answer 16

alpha motor neurons

Question 17

withdrawal reflex

Answer 17

flexors stimulated extensors inhibited

Question 18

withdrawal reflex with crossed support

Answer 18

on opposite side

extensors activated flexors inhibited