71210 Bioelectromagnetism - Exercises Autumn 2004

Source-Field Models

  1. Impressed current density may arise by
    1. stimulation electrodes
    2. concentration gradients
    3. transmembrane current flow
    4. all of the above
  2. Current field strength due to a monopole in an infinite homogeneous conductor is proportional to
    1. r^2
    2. 1/r^2
    3. r^3
    4. 1/r^3
  3. Potential field due to a dipole in an infinite homogeneous conductor is proportional to
    1. r^2
    2. 1/r^2
    3. r^1
    4. 1/r^1
  4. Propagating action potential of cardiac muscle may be modeled by
    1. moving monopole
    2. moving double layer
    3. fixed tripole

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