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The ventral roots of each spinal segment
control peripheral effectors
contain the axons of somatic motor and visceral motor neurons
The adult spinal cord extends only to
the first or second lumbar vertebrea
Which of th eofllowin g statement is falso concerning gray matter of the spinal cord
it is primarily involved in relaying info to the brain
Steps of a reflex arc
arrival of a stimulus and activation of a receptors
activation of a sensory neuron
info processing
activation of a motor neuron
response by an effector
a sensory region monitored by the dorsal rami of a single spinal segment is
a dermatome
THe major nerve of the cervical plexus that innervates the diaphram is the
phrenic nerve
The genitofemoral, femoral, and lateral femoral cutaneous nerves are major nerves of the
lumbar plexus
the synapsing of several neurons on the same postsynaptic neuron is called
convergnce
The reflexes that control the most rapid, steriotyped motor responses to stimuli are
monosynaptic
The contraction of a flexor muscles and the relaxation of extensor muscles illustrate the principle of
reciprocal inhibition
Author
servinggod247
ID
184466
Card Set
13 review questions
Description
anatomy
Updated
2012-11-19T19:45:24Z
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