Fibrillation is the
A) backflow of blood throughout the heart
B) coordinated function of nodal cells
C) failure of the heart valves to function
D) flow of blood through the heart's fibrous skeleton
E) uncoordinated excitation and contraction of cardiac cells
Correct Answer:
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Q16: The systemic circulation
A)receives more blood than the
Q17: A lumen that contains blood with a
Q18: On a normal ECG, a wave for
Q19: Adjacent cardiac muscle cells are joined together
Q20: The wall of the left ventricle is
Q22: Which of the following ECG waves represents
Q23: The direction of impulses through the conduction
Q24: An ectopic focus is the place where
A)an
Q25: The refractory period of cardiac muscle
A)lasts almost
Q26: The normal pacemaker of the heart is
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