Heart Anatomy and Function
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Questions and Answers

What is the primary function of the right atrium?

  • Receiving deoxygenated blood from the body (correct)
  • Regulating blood pressure
  • Filtering oxygenated blood from the lungs
  • Pumping blood through the systemic circuit
  • Which of the following vessels does not empty into the right atrium?

  • Inferior vena cava
  • Coronary sinus
  • Superior vena cava
  • Pulmonary artery (correct)
  • What valve separates the right atrium from the right ventricle?

  • Mitral valve
  • Aortic valve
  • Pulmonary valve
  • Tricuspid valve (correct)
  • What is the primary function of valves in the heart?

    <p>To prevent backflow</p> Signup and view all the answers

    Which vessels carry deoxygenated blood from the right ventricle to the lungs for gas exchange?

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

    What is the name of the valve that prevents blood from flowing backward into the left ventricle?

    <p>Mitral valve</p> Signup and view all the answers

    Which of the following vessels would have a high oxygen content?

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

    What is the sequence of blood flow from the superior or inferior vena cava to the lungs?

    <p>Right atrium, right ventricle, pulmonary arteries, lungs</p> Signup and view all the answers

    What is the term for the death of myocardial cells caused by blockage of blood vessels?

    <p>Myocardial infarction</p> Signup and view all the answers

    What is the name of the structure that initiates the heartbeat and is called the 'peacemaker'?

    <p>Sinoatrial node</p> Signup and view all the answers

    During ventricular systole, the AV valves are _____ and the semilunar valves are _____.

    <p>Closed, open</p> Signup and view all the answers

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