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

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. 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...

3. 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...

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

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

5. 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...

6. The concentration one of the following ion is tenfold higher on the outside of the membrane than inside:

   A. Sodium B. Potassium C. Organic ions D. All of these...

7. The pathway of passage of impulses during a reflex action is:

   A. Reflex arc B. Reflex circuit C. Nerve impulse D. None of these...

8. One of the followings increases blood glucose level and regulates mineral ion balance:

   A. Cortisol B. Corticosterine C. Aldosterone D. Both a & b...

9. 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...

10. 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...