Select all that are true regarding the RAS.Check All That ApplyIt is a motor component of the reticular formation.It is a motor component of the reticular formation.It helps initiate voluntary muscle contraction.It helps initiate voluntary muscle contraction.It processes visual, auditory, and touch stimuli.It processes visual, auditory, and touch stimuli.It keeps the cerebral cortex in an alert, awake state.It keeps the cerebral cortex in an alert, awake state.

Check all statements that apply to the reticular activating system.Check All That Applyis involved in maintaining the sleep-wake cycle.is involved in maintaining the sleep-wake cycle.controls the brain’s level of arousal or consciousness.controls the brain’s level of arousal or consciousness.is stimulated by general anesthetics.is stimulated by general anesthetics.receives input from several cranial nerves.receives input from several cranial nerves.

The reticular formation is an area of the brain thatMultiple Choicehas sensory and motor components.is purely motor in function.is purely sensory in function.serves higher order cognitive functions.

What is the role of the brain in reflex action ?

Select which steps are part of the voluntary movement process. Select all that apply.Multiple select question.Lower motor neurons receive messages from upper motor neurons.The cerebellum and basal nuclei coordinate the information for these movements.Smooth muscle in the skin is stimulated to contract.Initiation begins in the primary motor area of the cerebral cortex.Initiation begins in the brainstem.Upper motor neurons receive information from lower motor neurons.

What are the motor areas on the cerebral cortex?