← Motor systems Test
5 Written Questions
5 Matching Questions
- corticospinal tract (body) and corticobulbar
- CC to LMN
- Amyotrophic lateral sclerosis
- effects of polio
- a Which of the three groups does the pyramidal tract fall into
- b Anterior horn cells of the spinal cord are often affected. Most common area involved is the lumbar enlargement. The patient will present with classic LMN signs
- c What comprises the pyramidal tracts
- d Projections of the basal ganglia and the descending spinal pathways are considered to be what?
- e Progressive degenerative disease of the corticospinal tract (upper motor neuron) and ventral horn cells (lower motor neuron) Lower neurons degeneration in the cervical cord results in weakness and eventually loss of control in muscle of the hand, truck and lower limbs. Involuntary twitching occurs and bladder and bowel function are impaired due to descending autonomic pathways
5 Multiple Choice Questions
- What are the classifications of descending motor pathways
- What are the three groups to classify motor pathways?
- Cardinal sign is flaccid paralysis. Also fasciculations or fibrillations may also be present
- What divides the primary motor and somatosensory cortex?
- Name the medial motor system pathways
5 True/False Questions
cerebellum → Execution of learned, skilled motor movement, proper timing of movement, and correction of movement errors are all basic functions of what?
supplementary cortex and premotor cortex → What are the classifications of descending motor pathways
fibrillations → twitches of muscle visible through skin
pyramidal tract lesion → This is rarely seen because in most areas of the brain, the corticospinal tract and descending spinal tracts run together. Signs include flaccid paralysis with Babinski sign.
polio → Which of the three groups does the pyramidal tract fall into