A&P II - Control of Cardiac Function

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Across
  1. 2. Ion responsible for repolarization of the cell
  2. 5. Heart rate and stroke volume have a _________ proportional relationship to cardiac output
  3. 7. Change in cardiac muscle caused by chronic afterload
  4. 9. The reason physical activity increases preload of the heart
  5. 12. Area of the brainstem responsible for sending signals to change heart rate
  6. 13. Unique feature of cardiac conduction cells that allow cells to depolarize without an outside stimulus
  7. 14. Type of stimulation that makes the pacemaker potential take longer to reach threshold
  8. 17. The only factor that DECREASES SV
Down
  1. 1. The volume of blood pumped by the heart each minute
  2. 3. The volume of blood pumped in a single cardiac cycle
  3. 4. Phase of the cardiac cycle that afterload interferes with
  4. 6. _____ sodium channels create the pacemaker potential
  5. 8. Factor that is described by the Frank-Starling Law of the Heart
  6. 10. The value at which once the cell reaches it, an action potential begins
  7. 11. Necessary for efficiency of heart pumping
  8. 15. Phase of the cardiac muscle action potential marked by sodium inflow
  9. 16. Specific area of the medulla controlling heart rate