MCAT Question of the Day
    •

    Q:

    		 Which of the following is correct about the knee-jerk reflex?
    		 

    A

    		 The arc of the knee jerk is dependent on higher cortical areas

    B

    		 Electric signals do not reach the cortex

    C

    		 It normally occurs in approximately 2 seconds

    D

    		 There are interneurons in the pathway leading to contraction of the quadriceps muscle



    Nervous System |
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