QUESTION What do neurons in the precentral gyrus do? The communicate with motor, sensory and multimodal association areas They allow conscious control of skilled voluntary muscle movements They process and relay auditory and visual input The receive information from general sense receptors in the muscle and skin Answer: They allow conscious control of skilled voluntary muscle movements QUESTION What are the ascending tracts and what do they do? White matter that transmits motor information to the brain Gray matter that transmits sensory information to the brain Gray matter that transmits motor information to the brain White matter that transmits sensory information to the brain Answer: Gray matter that transmits sensroy information to the brain QUESTION What is true about the spinothalamic tract? It is an ascending pathway that carries motor instructions It is a descending pathway that carries sensory information It is a descending pathway that carries motor instructions It is an ascending pathway that carries sensory information Answer: It is an ascending pathway that carries sensory information QUESTION What is linked to the posterior gray horn of the spinal cord? The ventral root of the spinal nerve that carries motor fibers The dorsal root of the spinal nerve that carries motor fibers The ventral root of the spinal nerve that carries sensory fibers The dorsal root of the spinal nerve that carries sensory fibers Answer: The dorsal root of the spinal nerve that carries sensory fibers QUESTION What type of nerves is found in the dorsal root? Only afferent nerves Both afferent and efferent nerves Only efferent nerves Only ganglionic nerves Answer: Only afferent nerves QUESTION All ventricles of the brain are paired, except for the fourth ventricle. (True or False?) Answer: False