The action potential ‘jumps’ along an axon. The gaps in a myelinated axon that the action potential ‘jumps’ to are called the ____________?

Related Mcqs:

1. In myelinated neurons the impulse jumps from node to rode (rod of Ranvier). This is called:

   A. Nerve impulse
   B. Saltatory impulse
   C. Presynaptic impulse
   D. Postsynaptic impulse

2. During depolarization,____________ molecules rush into axon, during depolarization_____________ molecules rush out of the axon?

   A. potassium, chloride
   B. chloride, sodium
   C. sodium, potassium
   D. None of these

3. One of the following is made of myelinated nerve fibers of tracts:

   A. White matter
   B. Gray matter
   C. Cell bodies
   D. Nerve fibers

4. The tendency to fill in gaps in the perception of a figure is called:

   A. Sensory completion
   B. Closure
   C. Figure-ground
   D. Continuation

5. The tendency to fill in gaps in the perception of a figure is called:

   A. sensory completion
   B. closure
   C. figure- ground
   D. continuation

6. The action potential cannot jump from one neuron to the next in line, rather the message is transmitted across snaps in the form of chemical messenger called:

   A. Neurotransmitters
   B. Neuro relaxers
   C. Neuro messengers
   D. Synaptic transmitters

7. The junction where the axon of a sending neuron communicates with a receiving neuron is called the___________?

   A. Reuptake site
   B. Receptor site
   C. Synapse
   D. Axon terminal
   E. None of these

8. The fatty material protecting the axon in some neurons is called a/an _____________?

   A. dendrite
   B. myelin sheath
   C. ganglion
   D. axon terminal

9. The junction where the axon of a sending neuron communicates with a receiving neuron is called the ______________?

   A. reuptake site
   B. receptor site
   C. synapse
   D. axon terminal

10. A brief electrical charge that travels down the axon of neuron is called the:

    A. synapse
    B. myelin sheath
    C. refractory period
    D. action potential