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Which of the following is/are true concerning the opening and closing              of the  cardiac valves?   valves operate according to the pressures on either side of the valve valve operation is constantly being controlled by the medulla              oblongata valve operation is determined directly by the cardiac action potential  (electrical currents control the opening and closing of the valves.) valve operation is directly controlled by the papillary muscles                          within the ventricular wall. None of the above is correct.

Which of the following is/are true concerning the opening and closing              of the  cardiac valves?   valves operate according to the pressures on either side of the valve valve operation is constantly being controlled by the medulla              oblongata valve operation is determined directly by the cardiac action potential  (electrical currents control the opening and closing of the valves.) valve operation is directly controlled by the papillary muscles                          within the ventricular wall. None of the above is correct.

Biology 2e
Biology 2e
2nd Edition
ISBN:9781947172517
Author:Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark
Chapter40: The Circulatory System
Section: Chapter Questions
Problem 2VCQ: Figure 40.11 Which of the following statements about the heart is false? The mitral valve separates...
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Which of the following is/are true concerning the opening and closing

             of the  cardiac valves?

 

  1. valves operate according to the pressures on either side of the valve
  2. valve operation is constantly being controlled by the medulla

             oblongata

  1. valve operation is determined directly by the cardiac action potential

 (electrical currents control the opening and closing of the valves.)

  1. valve operation is directly controlled by the papillary muscles

                         within the ventricular wall.

  1. None of the above is correct.
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