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5 Written questions

5 Matching questions

  1. deep pressure, cold temperature
  2. Efferent Neuron
  3. Microglial Cells
  4. Afferent Neurons
  5. Conductivity
  1. a Name a couple of physical factors that can inhibit a nerve impulse.
  2. b Phagocytize and destroy microorganisms, foreign matter, and dead nervous tissue
  3. c a neuron that conducts impulses away form the CNS to muscles and glands; motor neurons
  4. d carry signals toward the CNS from the body periphery; sensory neurons
  5. e the ability to transmit an impulse

5 Multiple choice questions

  1. a chemical released at the distal end of an axon that stimulates an adjacent cell; found in the synaptic vesicles of the axon terminal; initiates electrical current from one neuron to the next by diffusing across the synaptic cleft
  2. What period is it when the sodium ion channels are open, the membrane is totally insensitive to additional stimuli, regardless of the force of the stimulus?
  3. collection of nerve cell bodies found outside the CNS
  4. essentially rough endoplasmic reticulum, important metabolically
  5. What is the name of the velocity of the action potential along a neural membrane?

5 True/False questions

  1. Sodium Potassium PumpsHow does the membrane maintain the difference in electrical charge established by diffusion of ions?


  2. Myelin Sheathinsulates the nerve fibers


  3. Synapsejunction or point of close contact between neurons


  4. OligodendrocytesForm the myelin in the brain and spinal cord


  5. Relative Refractory periodWhat period is it during repolarization, the membrane may be stimulated if a very strong stimulus is used?