shantal4077 shantal4077
  • 13-05-2023
  • Medicine
contestada

The first heart sound (lubb) is closely associated with which of the events listed below?a. Pulmonary semilunar valve closing.b. Aortic semilunar valves opening.c. Bicuspid valve closing.d. Tricuspid valve closing.e. Both C and D.

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