The conduction of a nerve impulse down the axon is called a (n):

Related Mcqs:

1. The neuron conducts the impulse in the form of nerve impulse during:

   A. Threshold potential B. Active membrane potential C. Resting membrane potential D. All of the above...

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

   A. Broca’s area B. Nodes of Ranvier C. terminal buttons D. Wernicke’s area...

3. 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...

4. The fact that, during neural transmission, an impulse is sent to the end of the axon without fading or weakening is known as ___________?

   A. stimulus constancy B. absolute threshold retention C. nondecremental property D. all-or-none property...

5. Under normal conditions a nerve impulse is initiated by an appropriate stimulus called:

   A. Threshold stimulus B. Active membrane potential C. Resting membrane potential D. All of the above...

6. The nature of a nerve impulse is primarily a/an _____________ event; communication between neurons is primarily a/an_____________

   A. chemical; electrical B. acetylcholine, catecholamine C. dendrite; axon D. electrical; chemical...

7. A membrane potential of_________volts exits when a neuron is not conducting a nerve impulse:

   A. 0.05 B. 0.07 C. 0.05 to 0.07 D. 1...

8. The passage of nerve impulse is associated with increase in permeability of which of the following ion:

   A. Sodium B. Potassium C. Organic ions D. Inorganic ions...

9. 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...

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

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