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Cardiac Anatomy and Function Quiz
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Cardiac Anatomy and Function Quiz

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@RespectfulTaiga

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Questions and Answers

What is the role of the sinoatrial node (SAN) in the heart?

  • Regulates the opening and closing of heart valves
  • Transports deoxygenated blood to the lungs
  • Pumps oxygenated blood to the rest of the body
  • Initiates the heartbeat by generating electrical impulses (correct)

    • Which blood vessel has thick muscle and high pressure?

  • Capillaries
  • Pulmonary vein
  • Arteries (correct)
  • Veins

    • What is the significance of PQRST points on an ECG trace?

  • They indicate blood pressure changes in the arteries
  • They represent different phases of the cardiac cycle (correct)
  • They measure the thickness of the heart's septum
  • They show the concentration of oxygen in the blood

    • Which factor can increase the risk of cardiovascular disease (CVD) based on genetics?

    <p>Family history of heart disease</p> Signup and view all the answers

    What is the effect of caffeine on heart rate in Daphnia?

    <p>Increases heart rate</p> Signup and view all the answers

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