MCAT Question of the Day
    •

    Q:

    		 Which of the following could explain the decreased heart rate of an individual presenting to the clinic?
    		 

    A

    		 increased activity of the vagus nerve

    B

    		 increased activity of the SA node

    C

    		 increased activity of AV node

    D

    		 increased sympathetic tone



    Circulatory System |
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