Classify the given items with the appropriate group. Can myelinate 1-mm portions of axons of many neurons Takes many to myelinate one xon Found in the CNS only Found in PNS only Has a neurilemma formed No formation of neurilemma Nerves located in the abdomen Only myelinates a 1-mm portion of a single axon Oligodendrocyte Neurolemmocyte Label the structures that establish and maintain the resting membrane potential in neurons. Na K pump K leak channel -70mV More sodium than chloride Voltmeter Microelectrode More potassium, phosphate, and protein Na leak channel ++al+ + + -70 mV ADPP - Protein