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:

Related Mcqs:

1. For every two K+ ions transported inward a neutron cell., how many Na+ ions are transported outside:

   A. One
   B. Two
   C. Three
   D. Twenty

2. 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

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 action potential cannot jump from one neuron to the next in line, rather the message is transmitted across snaps in the form of chemical messenger called:

   A. Neurotransmitters
   B. Neuro relaxers
   C. Neuro messengers
   D. Synaptic transmitters

5. 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

6. The charge that exists across the nerve cell membrane is result of differing:

   A. amounts of DNA and RNA
   B. types of neurotransmitters on either side of the nerve cell membrane
   C. types of neurons inside and outside the nerve cell membrane.
   D. concentrations of ions on either side of the nerve cell membrane

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. The cytoplasmic process that arise from the neuron cell body and carry impulses away cell body are termed:

   A. Pacinian corpuscles
   B. Nissl’s granules
   C. Axons
   D. Free nerve endings

9. A brief electrical charge that travels down the axon of neuron is called the:

   A. synapse
   B. myelin sheath
   C. refractory period
   D. action potential

10. 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