MCAT Question of the Day
    •

    Q:

    		 Neurons contain vital calcium-sensitive channels involved in a mechanism called afterhyperpolarization (AHP). AHP refers to the phase of the action potential during which the cell membrane is below resting potential. Which of the following statements regarding neurons and AHP is correct?
    		 

    A

    		 Removal of the AHP will not affect the refractory period

    B

    		 AHP is caused by efflux of potassium ions

    C

    		 Removal of these channels will result in decreased firing of neurons

    D

    		 All of the above are correct



    Nervous System |
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