Anatomy and Physiology Assessment
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Questions and Answers

What is the primary function of the septum in the heart?

  • To pump blood throughout the body
  • To regulate blood flow to the lungs
  • To separate the atria and ventricles (correct)
  • To generate electrical impulses for the heartbeat

    • Which type of muscle is found in the heart?

  • Cardiac muscle (correct)
  • Smooth muscle
  • Epithelial muscle
  • Skeletal muscle

    • What is the purpose of the atrioventricular (AV) valves?

  • To regulate blood flow to the coronary arteries
  • To prevent backflow of blood from the ventricles to the atria (correct)
  • To separate the oxygenated and deoxygenated blood
  • To pump blood from the ventricles to the atria

    • What is the direction of blood flow through the heart?

    <p>Atria to ventricles to aorta</p> Signup and view all the answers

    What is the function of the atria in the heart?

    <p>To receive deoxygenated blood from the body</p> Signup and view all the answers

    What is the purpose of the heart valves?

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

    What is the primary function of the atrioventricular (AV) valves in the heart?

    <p>To ensure one-way flow of blood from atria to ventricle</p> Signup and view all the answers

    What is the term for the mass of merging cells that act as a unit in the heart?

    <p>Functional syncytium</p> Signup and view all the answers

    What is the main difference between the atria and ventricles in terms of their structure?

    <p>Atria have thinner walls than ventricles</p> Signup and view all the answers

    What is the purpose of the chordae tendineae in the heart?

    <p>To prevent backflow of blood through the AV valves</p> Signup and view all the answers

    What is the term for the separation between the atrium and ventricle on the right side and those on the left side?

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

    What is the direction of blood flow through the heart?

    <p>From atria to ventricles</p> Signup and view all the answers

    What are the two circuits or subdivisions of blood flow in the heart?

    <p>Pulmonary and systemic circuits</p> Signup and view all the answers

    What is the term for the valves that ensure one-way flow of blood from the atria to the ventricles?

    <p>Atrioventricular valves</p> Signup and view all the answers

    What is the characteristic of cardiac muscle cells that allows them to work together as a unit?

    <p>They are connected by intercalated discs</p> Signup and view all the answers

    What is the term for the structure that separates the two functional syncytia in the heart?

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

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