Blood Pressure and Baroreceptors Quiz
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Questions and Answers

Which layer of the heart wall is the outermost layer?

  • Endocardium
  • Epicardium (correct)
  • Myocardium
  • Pericardium

    • What are baroreceptors?

  • Receptors sensitive to changes in heart rate
  • Receptors sensitive to changes in pressure (correct)
  • Receptors sensitive to changes in temperature
  • Receptors sensitive to changes in blood flow

    • What is systole?

  • Force of blood to get through arteries
  • Contraction of the heart (correct)
  • Relaxation of the heart
  • Pressure of blood pushing against the walls of arteries

    • Which blood vessels are baroreceptors located near?

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

    What is the function of baroreceptors?

    <p>To regulate blood pressure</p> Signup and view all the answers

    What is the outermost layer of the heart wall called?

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

    What is the middle layer of the heart wall called?

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

    What is the innermost lining of the heart wall called?

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

    What structures help add force to the contraction of the heart wall?

    <p>Trabeculae carnae</p> Signup and view all the answers

    What is the function of the pericardium?

    <p>To protect the heart</p> Signup and view all the answers

    What are systole and diastole?

    <p>Phases of the cardiac cycle</p> Signup and view all the answers

    What is the function of pressorreflexes?

    <p>To regulate blood pressure</p> Signup and view all the answers

    Where are the cardiac control centers located?

    <p>In the medulla</p> Signup and view all the answers

    Which of the following best describes blood pressure?

    <p>The pressure of blood pushing against the walls of your arteries</p> Signup and view all the answers

    Where are baroreceptors located in the body?

    <p>Near the heart by the aorta and by the carotid</p> Signup and view all the answers

    What is the function of baroreceptors in the body?

    <p>To regulate blood pressure</p> Signup and view all the answers

    Which layer of the heart wall is the outermost layer?

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

    What is the middle layer of the heart wall called?

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

    What is the innermost lining of the heart wall called?

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

    What is the function of the trabeculae carnae in the heart?

    <p>To support inner structures of the heart</p> Signup and view all the answers

    What is the term for the contraction phase of the heart?

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

    What is the term for the relaxation phase of the heart?

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

    What is the name of the negative feedback loops that oppose changes in blood pressure by adjusting heart rate?

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

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