MCAT Question of the Day
    •

    Q:

    		 An experiment is performed where particular physiologic maneuvers cause increased function of the vagus nerve. This would be expected to:
    		 

    A

    		 decrease the heart rate.

    B

    		 increase the rate of depolarization through the His-Purkinje fibers

    C

    		 decrease the time the heart spends in systole.

    D

    		 preferentially increase contractility of the left ventricle.



    Circulatory System |
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