Other questions in this quiz

2. What is the job of the SAN?

  • To initiate a wave of excitation at regular intervals
  • To stop the conduction of the electrical signal
  • To coordinate the atria and ventricles
  • To expand and contract 55-80 times a minute

3. Which of the following is the process in which the heart fills with blood?

  • Atria
  • Ventricular Systole
  • Diastole
  • Atrial Systole

4. How is tissue fluid formed?

  • The pressure of the blood becomes too high and small molecules are forced out
  • The pressure of the blood becomes too high and large molecules are forced out through gaps in the artery walls
  • The pressure of the blood becomes too high and small molecules are forced out through gaps in the capillary wall
  • The pressure of the blood becomes too low and small molecules leak out through gaps in capillary walls

5. What would an ECG trace be used to find?

  • The size of the heart muscle
  • Whether part of the heart muscle is unhealthy
  • The blood pressure within the heart

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