Cardiac Conduction Pathway Quiz
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Questions and Answers

Which node is known as the 'pacemaker' of the heart?

  • Interatrial Node/Pathway/Bundle
  • Atrioventricular (AV) Node
  • Sinoatrial (SA) Node (correct)
  • Bundle of His

    • Which node gives the atria time to contract and pump all blood into the ventricles?

  • Bundle of His
  • Interatrial Node/Pathway/Bundle
  • Atrioventricular (AV) Node (correct)
  • Sinoatrial (SA) Node

    • Which structure connects fibers to rapidly send an impulse from the right atrium to the left atrium?

  • Sinoatrial (SA) Node
  • Interatrial Node/Pathway/Bundle (correct)
  • Atrioventricular (AV) Node
  • Bundle of His

    • Where does conduction pass from the AV node and travel through?

    <p>Bundle of His</p> Signup and view all the answers

    Which nodes/fibers are involved in rapidly sending an impulse from one atrium to the other?

    <p>Interatrial Node/Pathway/Bundle</p> Signup and view all the answers

    Which nodes delay conduction briefly?

    <p>Atrioventricular (AV) Node</p> Signup and view all the answers

    Where does the conduction pathway bifurcate into the Right and Left Bundle Branches?

    <p>Atrioventricular (AV) Node</p> Signup and view all the answers

    Which node is located in the wall of the right atrium?

    <p>Sinoatrial (SA) Node</p> Signup and view all the answers

    Which structure is responsible for pacing the heart rate to the body's current demands?

    <p>Sinoatrial (SA) Node</p> Signup and view all the answers

    Which structure travels through the walls of the ventricles?

    <p>Right and Left Bundle Branches</p> Signup and view all the answers

    Which node gives the atria time to contract and pump all blood into the ventricles?

    <p>Atrioventricular (AV) Node</p> Signup and view all the answers

    Which structure is also known as Bachmann’s Bundle?

    <p>Interatrial Node/Pathway/Bundle</p> Signup and view all the answers

    What is the average cardiac output for a healthy adult?

    <p>5L/min</p> Signup and view all the answers

    What is the equation for calculating cardiac output (CO)?

    <p>$CO = SV * HR$</p> Signup and view all the answers

    What is the normal range for ejection fraction?

    <p>55% to 70%</p> Signup and view all the answers

    What is the function of Purkinje fibers in the heart?

    <p>To spread widely across the ventricles and cause all cells of the ventricles to contract quickly</p> Signup and view all the answers

    What is the function of the Sinoatrial (SA) Node in the heart?

    <p>To act as the pacemaker of the heart</p> Signup and view all the answers

    What is the purpose of the Atrioventricular (AV) Node in the heart?

    <p>To delay the electrical impulse before it is conducted to the ventricles</p> Signup and view all the answers

    What occurs during ventricular diastole?

    <p>Ventricles relax, filling with blood sent from the atria</p> Signup and view all the answers

    What is the purpose of the Ejection Fraction measurement?

    <p>To measure the amount of blood the left ventricle pumps out with each contraction</p> Signup and view all the answers

    How is blood pressure measured?

    <p>In millimeters of mercury (mmHg)</p> Signup and view all the answers

    What is the average Ejection Fraction value indicating a well-functioning heart?

    <p>60%</p> Signup and view all the answers

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