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

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. 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

3. The net difference in charge between the inner and outer surface of a non conducting neuron is called:

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

4. 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

5. 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

6. Active membrane potential is:

   A. 0.05 volts
   B. -50 mv
   C. 0.07 volts
   D. both a & b

7. The electrical potential that exists across a cell membrane is known as:

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

8. 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

9. The light-sensitive inner surface of the eye, containing the rods and cones, is the ______________?

   A. optic nerve
   B. cornea
   C. retina
   D. iris

10. 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