somatic nervous system correct answers conscious sensation and voluntary control of muscles
automatic nervous system correct answers controls functions critical to life
sympathetic (fight or flight)
parasympathetic (rest and digest, conserve energy for growth)
BETWEEN neurons, signals are sent correct answers chemically from axons to dendrites
WITHIN neurons, signals are sent correct answers electrically from dendrites to axons
cerebellum correct answers the "little brain" behind the brainstem; functions include processing
sensory input and coordinating movement output and balance
cerebrum correct answers Area of the brain responsible for all voluntary activities of the body
left side of brain is responsible for right side of brain and vice versa
gray matter correct answers folded up layers of tissue
white matter correct answers contains axons that transmit impulses from gray matter
corticospinal tract correct answers connections between brain and spine
UMN synapse with LMN then those exit spinal cord to muscles
dorsal columns correct answers vibration sense, position sense (body in space)
spinothalamic tract correct answers pain and temperature info
anterior circulation correct answers internal carotid arteries which supply to anterior 2/3 of the
brain
, posterior circulation correct answers vertebral arteries which supply to posterior 1/3 of the brain
including brain stem and cerebellum
meninges correct answers several layers of tissue that separate CNS from skull bone, surrounds
the brain
4 parts of meninges correct answers dura matter (directly below bone of skull)
arachnoid matter
subarachnoid space (blood supply)
pia matter (covers brain and spinal cord)
epidural space
CN VIII correct answers Vestibulocochlear (ear sensory)
CN IX correct answers Glossopharyngeal (tongue 1/3 taste, pharynx sensory and motor)
CN X correct answers Vagus (larynx and down sensory)
CN XI correct answers accessory (neck motor)
CN XII correct answers Hypoglossal (tongue motor)
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