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22 Cards in this Set

  • Front
  • Back
Reflexes can increase due to diseased ___ neurons.
UMN
____ is reflexes being diminished/lessoned due to pathology of ____, LMN, LMJ, and muscle joint diseases.
hyporflexia, sensory nerve
___ is the sensationg of stimuli that have caused tissue damage or threaten to do so.
nociception
LMN cell bodies are found in the ____ horn of the spinal cord and the ___.
ventral, brain stem
Voluntary movement must be controled by ___ motor neurons.
upper
____ cell bodies are in the cerebral cortex and the brain stem.
UMN
___ motor neurons usually have an inhibitory effect on reflexes.
upper
Muscle spindle afferent sensory nerve fibers are type ___.
Ia
Golgi tendon organ afferent sensory fibers are type __.
Ib
Vibration and touch are classified as ___ fibers.
A- beta
LMN that go to the muscle spindles are classified as ___ fibers.
A-gamma
Pain are classified as ___ fibers.
A-delta
Preganglionic autonomic are classified as ___ fibers.
B
Slow pain and post ganglionic autonomic fibers are classified as ___ fibers, and are also ____.
C, unmyelnated
Intrafusal fibers are innervated by __-motorneurons, while extrafusal fibers are innervated by ___-motorneurons.
alpha, gamma
___ are arranged in parallel with extrafusal fibers and detect change in muscle length.
muscle spindle
___ are arranged in series with extrafusal fibers and detect change in muscle tension.
golgi tendon organ
____ inhibits the agonist muscle and activates the antagonist muscle.
Golgi tendon organ
___- motorneurons maintains the sensitivity of the muscle spindle at all lengths of the muscle.
gamma
___ reflex is a withdrawal (flexor reflex) accompanied by the extension of the opposite limb.
crossed extensor
___ lesions give rise to flacid paralysis, areflexia, and muscle atrophy.
LMN
___ lesions give rise to spastic paralysis, hyperreflexia, and babinki's sign.
UMN