Anatomy of the Human Heart: Structures, Functions & Circulations

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National University College *

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202

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Biology

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Jun 11, 2024

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pdf

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Instructors may assign a portion of the Review Sheet questions using Mastering A&P™ REVIEW SHEET EXERCISE Anatomy of the Heart Name Lab Time/Date Gross Anatomy of the Human Heart 1. An anterior view of the heart is shown here. Match each structure listed on the left with the correct letter in the figure. 1. right atrium 8. brachiocephalic trunk 14. left pulmonary veins 2. right ventricle 9. left common carotid 15. right coronary artery artery 3. left atrium 16. circumflex artery 10. left subclavian artery 4. left ventricle 17. anterior interventricular 11. pulmonary trunk artery 5. superior vena cava 12. left pulmonary arteries 18. apex of heart 6. ascending aorta 13. ligamentum 19. great cardiac vein 7. aortic arch arteriosum 445

448 Review Sheet 30 When you measured thickness of ventricular walls, was the right or left ventricle thicker? Knowing that structure and function are related, how would you say this structural difference reflects the relative functions of these two heart chambers? 13. Semilunar valves prevent backflow into the ; mitral and tricuspid valves prevent backflow into the . Using your own observations, explain how the operation of the semilunar valves differs from that of the atrioventricular valves. 14. Compare and contrast the structure of the mitral and tricuspid valves. 15. ElA proximal LAD lesion is a blockage in the left anterior descending artery, also known as the anterior interventricular artery. Explain why a heart attack caused by an obstruction of this artery is sometimes referred to as the “widow maker” heart attack. 16. A Congestive heart failure (CHF) is an inability of the heart to pump sufficient blood to the body. One sign of CHF is excess fluid in the tissue spaces, known as edema. Describe the location of the edema if the left side of the heart fails, compared to the location of edema if the right side of the heart fails.

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