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

Related Mcqs:

1. 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...

2. 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...

3. The ___________ is responsible for the transmission of an impulse between neurons?

   A. actomyosin B. acetylcholine C. acetyl cholinesterase D. luteinizing hormone...

4. 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...

5. ______ receive information from other neurons; _________ transmit information other neurons.

   A. synapses, cell bodies B. Dendrites, axon buttons C. Axon buttons dendrites D. Axon; cell bodies...

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

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

7. The cytoplasmic process arising from the cell body of neuron that carries impulse towards cell body is called a:

   A. Axon B. Dendrite C. Nissl’s granule D. Myelin sheath...

8. 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...

9. The powerful survival impulse that leads human infants to seek closeness to their parents is called ___________________?

   A. attachment B. imprinting C. egocentrism D. conservation...

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

    A. ion potential B. action potential C. resting discharge D. synapse...