Heart anatomy
46 Questions
2 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the position of the heart within the canine thorax?

  • Posterior and superior (correct)
  • Anterior and superior
  • Posterior and inferior
  • Anterior and inferior

    • Which surface features of the heart are prominently observed from the left view?

  • Right auricle (correct)
  • Right atrium
  • Left ventricle
  • Pulmonary trunk

    • What separates the atria and ventricles in the heart?

  • Interventricular grooves
  • Auricles
  • Coronary groove (correct)
  • Fat

    • Which part of the heart points ventrocaudally and to the left?

    <p>Left ventricle</p> Signup and view all the answers

    From the right view of the heart, what is the prominent structure observed?

    <p>Right atrium</p> Signup and view all the answers

    What is the surface topography that encircles the base of the heart?

    <p>Coronary groove</p> Signup and view all the answers

    What anchors the valve leaflets to the inner walls of the ventricles?

    <p>Chordae tendineae</p> Signup and view all the answers

    Which of the following is NOT an interior feature of the RIGHT side of the heart?

    <p>Pulmonary valve</p> Signup and view all the answers

    Where do the Marginal (parietal) cusps of the atrioventricular valves originate from?

    <p>Outer ventricular wall</p> Signup and view all the answers

    What is the purpose of AV valves closing during systole?

    <p>Prevent backflow of blood into the atria</p> Signup and view all the answers

    How are the AV valve cusps anchored to the inner walls of the ventricles?

    <p>Chordae tendineae</p> Signup and view all the answers

    During which phase of the heart cycle does the Right AV valve prevent backflow of blood from the Right ventricle into the Right atrium?

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

    Which valve is located between the left atria and the left ventricle?

    <p>Left AV Valve</p> Signup and view all the answers

    What is the main function of the Aortic semilunar valve?

    <p>Prevents backflow of blood into the left ventricle during diastole</p> Signup and view all the answers

    Through which vessel does oxygenated blood travel back to the heart?

    <p>Pulmonary veins</p> Signup and view all the answers

    Where is the Pulmonary semilunar valve located?

    <p>Between right ventricle and pulmonary arteries</p> Signup and view all the answers

    Which phase of the heart cycle involves heart rest?

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

    What is the primary function of the pulmonary circulation?

    <p>To facilitate gas exchange in the lungs</p> Signup and view all the answers

    Which side of the heart receives oxygenated blood from the pulmonary circulation?

    <p>Left ventricle</p> Signup and view all the answers

    What is the primary role of the right ventricle?

    <p>To pump deoxygenated blood to the lungs</p> Signup and view all the answers

    Which blood vessel carries deoxygenated blood from the body tissues to the heart?

    <p>Vena cava</p> Signup and view all the answers

    What is the primary function of the systemic circulation?

    <p>To deliver oxygenated blood to the body tissues</p> Signup and view all the answers

    Which valve separates the right atrium from the right ventricle?

    <p>Tricuspid valve</p> Signup and view all the answers

    Where do the septal cusps of the AV valves originate from?

    <p>Interventricular septal wall</p> Signup and view all the answers

    What secures the chordae tendineae to the inner walls of the ventricles?

    <p>Papillary muscles</p> Signup and view all the answers

    Which structure prevents backflow of blood into the atria during systole?

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

    What is the primary function of chordae tendineae in the heart?

    <p>Securing AV valve cusps to the ventricular walls</p> Signup and view all the answers

    Which feature is NOT part of the interior of the RIGHT side of the heart?

    <p>Left atrioventricular valve</p> Signup and view all the answers

    Through which circuit does gas exchange occur in the lungs?

    <p>Pulmonary circuit</p> Signup and view all the answers

    Where does the right side of the heart receive deoxygenated blood from?

    <p>Systemic circulation</p> Signup and view all the answers

    To which capillary bed does the portal vein connect, according to the text?

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

    Where does the left side of the heart send blood into?

    <p>Systemic circulation</p> Signup and view all the answers

    Which vessel receives blood from both cranial and caudal vena cavae?

    <p>Right atrium</p> Signup and view all the answers

    What is the function of the Right AV Valve?

    <p>Preventing backflow into the right atrium</p> Signup and view all the answers

    Which structure is prominently observed from the left view of the heart?

    <p>Right atrium</p> Signup and view all the answers

    What separates the ventricles in the heart?

    <p>Interventricular grooves</p> Signup and view all the answers

    From which view of the heart is the right atrium the prominent structure observed?

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

    Where does the coronary groove lie in relation to the heart?

    <p>Encircles the base of the heart</p> Signup and view all the answers

    Which side of the heart points ventrocaudally and to the left?

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

    What is the main function of the atrioventricular (AV) valves during systole?

    <p>Prevent backflow into atria</p> Signup and view all the answers

    Which valve prevents backflow of blood from the pulmonary trunk into the right ventricle during diastole?

    <p>Pulmonary semilunar valve</p> Signup and view all the answers

    Which part of the heart pumps oxygenated blood to the body?

    <p>Left ventricle</p> Signup and view all the answers

    What is the function of the aortic semilunar valve?

    <p>Prevent backflow from aorta to left ventricle</p> Signup and view all the answers

    During which phase of the cardiac cycle does the left ventricle contract?

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

    What is the primary role of the right atrium?

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

    Which blood vessels carry oxygenated blood from the lungs back to the heart?

    <p>Pulmonary veins and coronary arteries</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser