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

Related Mcqs:

1. A mixed nerve possess fibers of:

   A. Sensory neurons B. Motor neurons C. Both sensory and motor neurons D. None of these...

2. A few cranial nerves including the vaga nerve together with the fibers from the bottom portion of spinal cord from the:

   A. Sympathetic nervous system B. Parasympathetic nervous system C. Somatic nervous system D. Peripheral nervous system...

3. 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...

4. 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...

5. Some of the fibers from each eye cross over to the opposite brain hemisphere at the ______________?

   A. optic chiasma B. optic nerve C. blind spot D. fovea...

6. The muscle fibers of the iris can increase or decrease the amount of light entering the eye by expanding or contracting the ______________?

   A. lens B. cornea C. pupil D. fovea...

7. The branching fibers of the________________end in________________and link with parts of other neurons.

   A. soma; somatic membrane B. nucleus; nucleic dampers C. dendrite; dendritic arcs D. axon; axon terminals...

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. The part of the nerve cell specialized for conducting information is the:

   A. axon B. cell body C. soma D. neurilemma...

10. 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...