Motor Pathways

Item #2 of 10

How do the tracts composing the ventromedial pathway differ in general from the tracts of the dorsolateral pathway?

The ventromedial tracts are more discrete in the distribution of their final projection.;

The ventromedial tracts control contraction of the proximal muscles of the trunk and shoulders.;

Only the ventromedial tracts contain both pyramidal and extrapyramidal motor system elements.;

The ventromedial tracts project to both sides of the spinal cord.;

Both alternatives b and d are correct.;

INCORRECT - Both the dorsolateral and ventromedial pathways contain pyramidal and extrapyramidal elements and are therefore similar in this regard.

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		The ventromedial tracts are more discrete in the distribution of their final projection.;
		The ventromedial tracts control contraction of the proximal muscles of the trunk and shoulders.;
		Only the ventromedial tracts contain both pyramidal and extrapyramidal motor system elements.;
		The ventromedial tracts project to both sides of the spinal cord.;
		Both alternatives b and d are correct.;