UMN and LMN- SPAUD 520 questions
with 100% correct answers
Origin of UMN - correct answer ✔✔cerebral cortex
destination of UMN - correct answer ✔✔cranial nerve nuclei
what 2 parts does the UMN include - correct answer ✔✔pyramidal and extrapyramidal tracts (DAP and
IAP)
origin of LMN - correct answer ✔✔brainstem (cranial nerve nuclei)
destination of LMN - correct answer ✔✔muscles of speech production
what does the LMN include - correct answer ✔✔spinal nerves, cranial nerves
other names ofr LMN - correct answer ✔✔PNS, FCP
DAP is part of - correct answer ✔✔UMN
DAP is also called - correct answer ✔✔pyrmidal tracts
DAP is divides into what two tracts - correct answer ✔✔corticobulbar and corticospinal
the DAP has an ______ representation of striated muscles on the motor strip - correct answer ✔✔upside
down
speech is more on the - correct answer ✔✔periphery
, _____ form in the corticospinal/bulbar tracts - correct answer ✔✔axons
corticobulbar terminates at the level of - correct answer ✔✔the brainstem
corticospinal terminates at the end of the - correct answer ✔✔spinal cord
because the two tracts are so close, we often see - correct answer ✔✔other motor deficits when there
are speech deficits
at the level of the basal ganglia, the two tracts are called - correct answer ✔✔internal capsule
at the level of the midbrain there is ________ between the tracts - correct answer ✔✔gradual
seperation
at the level of the medulla, - correct answer ✔✔the corticobulbar tract ends
The CS crosses the midline at the______ which is called - correct answer ✔✔medulla, pyrimidal
decussation
the CS tracts innervates - correct answer ✔✔LMNS on the opposite side of thebody
called - correct answer ✔✔contralateral innervation
not all fibers cross the midline in the ________ - correct answer ✔✔CB tracts
this means it is a complex _______ pattern - correct answer ✔✔bilateral pattern
what nerves are not BL in the CB tracts - correct answer ✔✔lower facial nerve (7) and 12
with 100% correct answers
Origin of UMN - correct answer ✔✔cerebral cortex
destination of UMN - correct answer ✔✔cranial nerve nuclei
what 2 parts does the UMN include - correct answer ✔✔pyramidal and extrapyramidal tracts (DAP and
IAP)
origin of LMN - correct answer ✔✔brainstem (cranial nerve nuclei)
destination of LMN - correct answer ✔✔muscles of speech production
what does the LMN include - correct answer ✔✔spinal nerves, cranial nerves
other names ofr LMN - correct answer ✔✔PNS, FCP
DAP is part of - correct answer ✔✔UMN
DAP is also called - correct answer ✔✔pyrmidal tracts
DAP is divides into what two tracts - correct answer ✔✔corticobulbar and corticospinal
the DAP has an ______ representation of striated muscles on the motor strip - correct answer ✔✔upside
down
speech is more on the - correct answer ✔✔periphery
, _____ form in the corticospinal/bulbar tracts - correct answer ✔✔axons
corticobulbar terminates at the level of - correct answer ✔✔the brainstem
corticospinal terminates at the end of the - correct answer ✔✔spinal cord
because the two tracts are so close, we often see - correct answer ✔✔other motor deficits when there
are speech deficits
at the level of the basal ganglia, the two tracts are called - correct answer ✔✔internal capsule
at the level of the midbrain there is ________ between the tracts - correct answer ✔✔gradual
seperation
at the level of the medulla, - correct answer ✔✔the corticobulbar tract ends
The CS crosses the midline at the______ which is called - correct answer ✔✔medulla, pyrimidal
decussation
the CS tracts innervates - correct answer ✔✔LMNS on the opposite side of thebody
called - correct answer ✔✔contralateral innervation
not all fibers cross the midline in the ________ - correct answer ✔✔CB tracts
this means it is a complex _______ pattern - correct answer ✔✔bilateral pattern
what nerves are not BL in the CB tracts - correct answer ✔✔lower facial nerve (7) and 12
