MCAT Question of the Day
    •

    Q:

    		 Which of the following is responsible for the initial depolarization of a neuron?
    		 

    A

    		 Opening of voltage-gated sodium channels

    B

    		 Closing of voltage-gated sodium channels

    C

    		 Opening of voltage-gated potassium channels

    D

    		 Closing of voltage-gated potassium channels



    Nervous System |
    Subscribe


    Is Your Score Stuck?

    We can teach you how to crush the MCAT!

    Learn More