| A | B |
|---|
| the brain and spinal cord comprise the | central nervous system |
| all nerves residing outside of the brain and spinal cord comprise the | peripheral nervous system |
| sensory neurons are also referred to as | afferent neurons |
| these neurons carry motor impules | efferent |
| the most common type of neuron which communicates from one neuron to another | association (or interneuron) |
| the branch of the autonomic nervous system that induces the "flight or fight" response | sympathetic |
| the cells that support, nourish and protect neurons | neuroglia |
| the cell body of a neuron | soma |
| long extensions off neuronal cell bodies that conduct impules away from the cell | axons |
| the dark granular sustance inside neuronal cell bodies | Nissl substance |
| Nissl substance is complosted of dense collections of | ribosomes |
| cells that electrically insulate neuronal axons in the central nervous system | oligodendrocytes |
| ependymal cells produce | cerebrospinal fluid |
| a CNS disease where the myelin sheath of motor neurons is degenerating or being destroyed, which interferes with neuronal impulses | multiple sclerosis |
| the electrical insulation that oligodendrocytes provide | myelin |
| positively charged ions | cations |
| on the inner cell membranes surface of a resting neuron, there is an accumlation of________ charge | negative (anionic) |
| in electrical terms, "potential" is synonymous with ______ | voltage |
