MCAT Question of the Day
    •

    Q:

    		 Which of the following is accurate regarding cardiac signal conduction?
    		 

    A

    		 Electric signals travel from th AV node to the SA node.

    B

    		 The AV node is slow to depolarize compared with the SA node.

    C

    		 The electric signal travels from the SA node to the AV node via the bundle of His.

    D

    		 Purkinje fibers assist with atrial depolarization.



    Circulatory System |
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