Podcast
Questions and Answers
Which feature of the heart is primarily responsible for preventing overdistension of the ventricles during systole?
Which feature of the heart is primarily responsible for preventing overdistension of the ventricles during systole?
- Papillary muscles (correct)
- Chordae tendineae
- Moderator band
- Trabeculae carneae
What structure is responsible for preventing prolapse of the mitral valve into the left atrium?
What structure is responsible for preventing prolapse of the mitral valve into the left atrium?
- Chordae tendineae (correct)
- Musculi pectinati
- Papillary muscles
- Trabeculae carneae
Which structure is primarily responsible for providing blood supply to the right atrium and part of the ventricles?
Which structure is primarily responsible for providing blood supply to the right atrium and part of the ventricles?
- Left coronary artery
- Aortic sinus
- Pulmonary trunk
- Right coronary artery (correct)
Which term refers to the muscular elevations in the inner walls of the ventricles that play a role in preventing suction during contraction?
Which term refers to the muscular elevations in the inner walls of the ventricles that play a role in preventing suction during contraction?
Which structure is directly involved in transmitting the force of contraction from the papillary muscles to the atrioventricular valves?
Which structure is directly involved in transmitting the force of contraction from the papillary muscles to the atrioventricular valves?
What is the function of the epicardium in the heart?
What is the function of the epicardium in the heart?
Which structure lodges the SA node in the heart?
Which structure lodges the SA node in the heart?
What part of the heart is mainly formed by the left ventricle?
What part of the heart is mainly formed by the left ventricle?
Which valve guards the opening of the inferior vena cava in the heart?
Which valve guards the opening of the inferior vena cava in the heart?
What part of the heart is crossed by the coronary sulcus?
What part of the heart is crossed by the coronary sulcus?
What is the main function of musculi pectinati in the heart?
What is the main function of musculi pectinati in the heart?
Which layer of the pericardium covers the heart and roots of great vessels?
Which layer of the pericardium covers the heart and roots of great vessels?
What is the surgical significance of the transverse sinus?
What is the surgical significance of the transverse sinus?
What nerve supplies the fibrous and parietal layers of the pericardium?
What nerve supplies the fibrous and parietal layers of the pericardium?
Which artery supplies the visceral layer of the pericardium?
Which artery supplies the visceral layer of the pericardium?
Where is the crux located in the heart?
Where is the crux located in the heart?
Which vein accompanies the inferior border of the heart, mainly formed by the right ventricle?
Which vein accompanies the inferior border of the heart, mainly formed by the right ventricle?
Which coronary artery lodges in the anterior interventricular groove?
Which coronary artery lodges in the anterior interventricular groove?
Which part of the heart is formed mainly by the right atrium?
Which part of the heart is formed mainly by the right atrium?
