Cardiovascular System Quiz
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Cardiovascular System Quiz

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@MultiPurposeStrontium

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Questions and Answers

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

  • It spreads action potentials quickly.
  • It acts as the valve closure mechanism.
  • It initiates the contraction of the heart. (correct)
  • It is responsible for nutrient exchange.

    • Which part of the cardiac cycle is characterized by the contraction of the ventricles?

  • Atrial diastole
  • Ventricular systole (correct)
  • Ventricular diastole
  • Atrial systole

    • Which type of blood vessel carries blood away from the heart?

  • Arteries (correct)
  • Veins
  • Capillaries
  • Vena cava

    • What produces the 'lubb' sound during the cardiac cycle?

    <p>Closure of the AV valves</p> Signup and view all the answers

    What is considered a normal heart rate?

    <p>60-100 beats per minute</p> Signup and view all the answers

    What is the primary function of the atrioventricular valves?

    <p>Prevent blood from flowing back into the atria</p> Signup and view all the answers

    Which component of the heart is responsible for generating blood pressure?

    <p>Myocardium</p> Signup and view all the answers

    Which part of the heart separates the right atrium from the left atrium?

    <p>Interatrial septum</p> Signup and view all the answers

    What is the role of the coronary arteries in the cardiovascular system?

    <p>Supply blood to the heart muscle</p> Signup and view all the answers

    What is located in the pericardial cavity?

    <p>Heart</p> Signup and view all the answers

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