Active membrane potential is:

Related Mcqs:

1. The major factors involved in changing resting membrane potential to active membrane potential include:

   A. Na+ and K+ ion movement B. Membrane potential C. Reversal of charges 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. The electrical potential that exists across a cell membrane is known as:

   A. Membrane potential B. Electrical potential C. Resting potential D. Action potential...

4. The major factors that are involved in resting membrane potential include:

   A. Sodium and potassium ions B. Negative organic ion C. Leakage of K+ions from neurons D. All of the above...

5. The potential during which the inner membrane surface becomes more positive than the outside is called:

   A. Resting membrane potential B. Threshold stimulus C. Active membrane potential D. None of these...

6. 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...

7. 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...

8. One of the following ions is twenty times more concentrated inside than outside the membrane surface:

   A. Sodium B. Potassium C. Organic ions D. None of these...

9. A wave of electrochemical changes, which travels along the length of the neuron involving chemical reactions and movement of ions across the cell membrane, is:

   A. Membrane potential B. Resting membrane potential C. Nerve impulse D. Electron pump...

10. When a neuron is stimulated, the cell membrane at the point of stimulation undergoes momentary reversal in change called:

    A. Action potential B. Resting potential C. Threshold potential D. None of these...