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Medicine LibreTexts

7.4: Post-Lab 7 Questions

  • Page ID
  • (3 points)

    Last Name: _______________________ First Name: _______________________

    1. List the function of each cardiac layer and number the order from most to least superficial. (0.5 point)
      • Pericardium:
      • Myocardium:
      • Endocardium:
      • Epicardium:

    1. Explain why the left ventricle’s walls are thicker than the right ventricle’s. (0.5 point)

    1. A child is stung by a bee and experiences an anaphylactic reaction. Upon observing the pathology, you notice a large increase in the number of very large granulocytic white blood cells whose granules obscure the nucleus. What type of cell did you observe? (0.5 point)

    1. Correctly match the term with the correct order of blood flow through the heart. (0.5 point)

      Venous blood enters the ______ from the ________ and ________ as well as the coronary sinus, which converge into the the ________. From there blood passes the _______ valves and enters the _______. The venous blood passes through the _______ and from there branches off into the _______ and ______ before circulating through the _____. After being oxygenatated, the blood re-enters the heart through the ________ which converge into the _______. Then the blood flows through the _______ into the ________. From here, blood is ejected through the ________ into the ______ before entering the _______ and finally systemic circulation.

        1. Superior vena cava
        2. Inferior vena cava
        3. Right atrium
        4. Left atrium
        5. Lungs
        6. Pulmonary veins
        7. Left pulmonary artery
        8. Right pulmonary artery
        9. Right atrioventricular valve
        10. Mitral valves
        11. Ascending aorta
        12. Arch of aorta
        13. Aortic semilunar valve
        14. Pulmonary semilunar valve
        15. Left ventricle
        16. Right ventricle
        17. Heart

    1. What is the anatomical significance of the pericardium and epicardial fat? The visceral layer of the pericardium is also known as the _________________? (0.5 point)

    1. An individual who cannot coagulate properly is at risk of bleeding out with any significant lesion. A reduction in what type of cell might cause this in such an individual? How does this affect the composition of their blood? (0.5 point)