Motor Pathways

Item #9 of 10

The red nucleus __________________.

lies within the midbrain;

is a part of the extrapyramidal motor system;

is a processing center along the corticorubrospinal tract of the dorsolateral pathway;

affects the movement of distal muscles of the arms and legs that control functions of the hands (but not fingers)and feet.;

all of the alternatives provided are correct.;

CORRECT - Yes, the red nucleus is located within the midbrain and is a processing center along the extrapyramidal corticorubrospinal tract of the dorsolateral pathway. This nucleus affects the movement of distal muscles of the arms and legs that control movement of the forearms, hands (but not fingers) and feet.

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		lies within the midbrain;
		is a part of the extrapyramidal motor system;
		is a processing center along the corticorubrospinal tract of the dorsolateral pathway;
		affects the movement of distal muscles of the arms and legs that control functions of the hands (but not fingers)and feet.;
		all of the alternatives provided are correct.;