Cardiovascular System Anatomy and Function Quiz
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Questions and Answers

Which chamber of the heart has the thickest wall?

  • Left Ventricle (correct)
  • Left Atrium
  • Right Atrium
  • Right Ventricle

    • What is the function of the myocardium?

  • To decrease friction
  • To aid in contraction (correct)
  • To outline the heart
  • To pump blood to the lungs

    • Which valve separates the right atrium and right ventricle?

  • Tricuspid Valve (correct)
  • Mitral Valve
  • Aortic Valve
  • Pulmonic Valve

    • What is the function of the electrical conduction system in the heart?

    <p>To coordinate contraction and relaxation of the heart chambers</p> Signup and view all the answers

    Which blood vessel carries deoxygenated blood from the heart to the lungs?

    <p>Pulmonary Artery</p> Signup and view all the answers

    What is the outermost protective membrane of the heart called?

    <p>Fibrous pericardium</p> Signup and view all the answers

    Which electrolytes are involved in generating electricity for the heart?

    <p>Potassium and Sodium</p> Signup and view all the answers

    Where is the heart located within the body?

    <p>Thoracic cavity</p> Signup and view all the answers

    What is the function of the capillaries in the cardiovascular system?

    <p>To perfuse the organs and tissues with oxygenated blood</p> Signup and view all the answers

    Which chamber of the heart receives oxygenated blood from the lungs?

    <p>Left Atrium</p> Signup and view all the answers

    What is the pathway of electrical impulses that generates a heartbeat called?

    <p>Conduction Pathway</p> Signup and view all the answers

    Which layer of the heart outlines the heart and decreases friction?

    <p>Epicardium</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

    Which node in the heart's conduction pathway is known as the 'pacemaker' of the heart?

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

    What is the function of the Atrioventricular (AV) Node in the heart's conduction pathway?

    <p>Delays conduction briefly</p> Signup and view all the answers

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

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

    What is the purpose of the Purkinje Fibers in the heart's conduction system?

    <p>Cause all cells of the ventricles to contract</p> Signup and view all the answers

    What is the function of the Interatrial Node/Pathway/Bundle in the heart's conduction pathway?

    <p>Rapidly sends an impulse from right atrium to left</p> Signup and view all the answers

    What is the normal range for ejection fraction in percentage?

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

    What does the term 'Diastole' refer to in the cardiac cycle?

    <p>Relaxation of chambers</p> Signup and view all the answers

    What is the purpose of the Bundle of His in the heart's conduction pathway?

    <p>Sends impulse from right atrium to left</p> Signup and view all the answers

    What is the formula for calculating cardiac output (CO) in liters per minute?

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

    What is the function of the Right and Left Bundle Branches in the heart's conduction pathway?

    <p>Delay conduction briefly</p> Signup and view all the answers

    What is the function of the Atrioventricular (AV) Node in the heart's conduction pathway?

    <p>Delays conduction briefly</p> Signup and view all the answers

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