2. Sample Papers
  3. NEET

NEET Sample Paper NEET Sample Test Paper-24

  • question_answer
    Impulse of heart beat originates from:

    A)  S. A. Node                   

    B)  A. V. Node

    C)  Vagus Nerve                 

    D)  Cardiac Nerve

    Correct Answer: A

    Solution :

     The SA-node is located in the wall of the right auricle. It has a unique properly of self-excitation, which enables it to act as the pacemaker of the heart.


You need to login to perform this action.
You will be redirected in 3 sec spinner