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NEET Biology Body Fluids and Circulation / शरीर के तरल पदार्थ और परिसंचरण Question Bank Self Evaluation Test - Body Fluids and Circulation

  • question_answer
    A recording of the electrical activity of a patient's heart, shows that the atria are contracting regularly and normally, but every few beats the ventricles fail to contract. Which of the following is probably not functioning properly?    

    A) AV node        

    B)                    Semilunar valve

    C) Coronary artery                         

    D) Pacemaker

    Correct Answer: A

    Solution :

    [a] The AV node conducts the impulse from the atria to the ventricles.


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