阿摩線上測驗
37. What is the correct sequence of electrical events in a heartbeat?
(A) SA node, atria, AV node, specialized muscle fibers, apex, ventricles.
(B) SA node, atria, AV node, apex, specialized muscle fibers, ventricles.
(C)Atria, SA node, AV node, specialized muscle fibers, apex, ventricles.
(D) SA node, AV node, atria, specialized muscle fibers, apex, ventricles.
(E) SA node, atria, specialized muscle fibers, AV node, apex, ventricles.
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統計： A(21), B(6), C(3), D(11), E(4) #2343268
統計： A(21), B(6), C(3), D(11), E(4) #2343268
