Trace the wave of depolarization through the heart.
A)SA node $\rarr$ atria$\rarr$ ventricles $\rarr$AV node $\rarr$ bundle of His $\rarr$ Purkinje fibers
B)AV node $\rarr$ atria $\rarr$ SA node $\rarr$ ventricles$\rarr$ Purkinje fibers $\rarr$ bundle of His
C)AV node $\rarr$ atria $\rarr$ SA node $\rarr$ Purkinje fibers $\rarr$ bundle of His $\rarr$ ventricles
D)SA node $\rarr$ atria $\rarr$ AV node $\rarr$ bundle of His $\rarr$ Purkinje fibers $\rarr$ ventricles

Question

Quizplus · Accepted Answer

The correct sequence for the wave of depolarization through the heart is: SA node --> atria --> AV node --> bundle of His --> Purkinje fibers --> ventricles. Option D is the only one that follows this sequence.

Trace the Wave of Depolarization Through the Heart →\rarr→ Atria →\rarr→ Ventricles →\rarr→

Trace the Wave of Depolarization Through the Heart $\rarr$ Atria $\rarr$ Ventricles $\rarr$