Supplemental motor area is involved in all the following functions, except :-a- adjusting postureb- orienting responsesc- motor programmingd- coordinating bilateral movements
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Supplemental motor area is involved in all the following functions, except :-
a- adjusting posture
b- orienting responses
c- motor programming
d- coordinating bilateral movements
Step by step
Solved in 2 steps
- An injury to the superior portion of the primary motor cortex would affect the ability to control muscles of which parts of the body?Describe the role of the following in planning and executing movement: spinal cord - brain stem - thalamus - cerebellum - basal ganglia (basal nuclei) - cerebral cortex -Sort the structures that the action potential would pass through after being generated by the first order sensory neuron. Drag and drop options into correct order and submit. thalamus anterior ramus of spinal nerve posterior root and rootlets somatosensory cortex of the cerebrum posterior funiculus brainstem brachial plexus posterior grey horn ||| ||| = ||| = ||| = ||| = ||| ||| ||| =
- A lower motor lesion involving CNVII will result in: Ipsilateral lower facial paralysis Contralateral lower facial paralysis Contralateral upper and lower facial paralysis Ipsilateral upper and lower facial paralysisHigher motor commands originate in all the following centers, except :-a- cerebral cortexb- thalamusc- caudate nucleusd- cerebellumUpper motor neuron damage: Results in activation of the extensor reflex Results in activation of the fight or flight response Results in weakness that becomes spasticity Results in spasticity that becomes flaccidity
- Which of the following would result in no movement (i.e. no activation of the motor cortex)? Stimulation of D2 Medium Spiny Neurons Stimulation of D1 Medium Spiny Neurons Inhibition of the Globus Pallidus Interna Inhibition of the Globus Pallidus Externa Both A & D are correctDiscuss the motor output and reflexes of thebrainstemFatigue of reflexes :-a- develops gradually and recovers rapidlyb- develops rapidly and recovers slowlyc- develops gradually and recovers slowlyd- develops rapidly and recovers rapidly
- The Rubrospinal tract :-a- originates from the pontine reticular formationb- descends contralaterallyc- controls activity of axial musclesd- is a component of the medial motor systemDescribe how the loss of motor control differs between flaccid and spastic paralysisBriefly explain the function of the supraspinal descending inhibitory motor pathways.