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which of the following subdivisions of the nervous system is most directly responsible for the regulation of visceral function, including increasing blood pressure and increasing cardiac output
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| A graded potential with a volatage change in the positive direction |
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| the summation of the synaptic potentials from more than one presynaptic neuron |
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| what the arbor vitae refers to |
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| the strenghths of sensory stimuli or summated synaptic potentials is often encoded as |
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| the frequency of production of action potentials |
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| cell type that myelinates PNS axons |
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| the cell type that is found on the choroids plexus |
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| cell type of macrophage that is specific to the vertebrae nervous system |
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| the layer of the meninges that serves as the inner periostem of the cranial bone |
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| if the ventral nerve root of a spinal nerve is destroyed a person would lose... |
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| willed movement related to that pathway |
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| the pyramids are associated with all of the following except |
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| part of the brain that can directly influence or inhibit the release of hormones from the pituitary |
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| the brain area associates experiences necessary for the production of abstract ideas, judgement and conscience |
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| the cerebrospinal fluid re-enters the blood at the |
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| you would expect to find chemically gated channels on the _______ of the neuron |
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| the cell bodies of unipolar afferent neurons are located in |
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| the central sulcus separates |
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| precentral and postcentral gyrii |
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| the function of projection fibers is to connect |
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| areas of cortex with lower brain centers |
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| which of the following is not involved with any motor activity |
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| nuclei of cranial nerves V VI and VII are found in the |
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| bipolar cells are commonly found |
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| the maximum rate with which action potential can be generated is limited by the |
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| absolute refractory period |
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| which is not a structural feature of a neuron |
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| the part of the neruron that conducts impulses towards the cell body |
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| collections of neuronal cell bodies in the central nervous system are called |
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| parkinsons disease results from a degeneration of the _______ leading to an under production of ________ resulting in _______ tremors |
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| substantia nigra, dopamine, resting |
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| during the generation of AP, K+ gates open |
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| at the max voltage of the AP |
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| the ventricular structures responsible for the production of cerebral spinal fluid are the |
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| an area of meninges dividing the cerebral hemispheres |
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| the pineal gland is responsible for |
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| they sympathetic and parasympathetic are subdivisions of |
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| the motor control of the left side of the body by the right side of the brain is termed |
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| the ridges of the cerebral hemispheres are termed |
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| the mesencephalon results in formation of the _______ in the adult brain |
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association neurons are found
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| the somatic nervous system is responsible for |
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| A nerve is a bundle of _______ in the _______ |
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| Assume that an EPSP is being generated on the dendritic membrane. What will occur? |
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| a single type of channel will open permitting simultaneous flow of Na+ and K+ |
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| if a motor neuron were stimulated by an electrode placed about midpoint along the length of the axon |
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| the impulse would spread bidirectionally |
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| any stimulus that you are aware of or any conscious behavior is associated with |
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| the ______ is a major relax station for sensory information ascending to primary sensory areas of the cerebral cortex |
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| saltatory conduction is made possible by |
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| the speed with which an AP travels down the axon depends on |
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| during the events of muscle filament sliding |
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| ATP hydrolysis causes the myosin head to cock or change position |
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| the fastest way that ATP is regenerated during muscle activity is |
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| direct phosphorylation coupled to the reaction of creatine phosphate |
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| binding of a neurotransmitter to a CL- or K+ channel will |
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| generate a subthreshold potential |
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