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Questions and Answers
What is the main function of the fibrous pericardium?
What is the main function of the fibrous pericardium?
- To lubricate the heart
- To directly pump blood through the heart
- To anchor the heart and maintain its position (correct)
- To prevent over-filling of the heart
Which of the following valves is not a semilunar valve?
Which of the following valves is not a semilunar valve?
- Aortic valve
- Left atrioventricular valve (correct)
- Pulmonary valve
- Right atrioventricular valve
What is the location of the apex of the heart?
What is the location of the apex of the heart?
- At the base of the heart, near the great vessels
- In the 2nd intercostal space on the right side of the sternum
- In the 3rd intercostal space on the left side of the sternum
- In the 5th intercostal space in the mid-clavicular line (correct)
What is the name of the depression in the right atrium that is open during fetal development?
What is the name of the depression in the right atrium that is open during fetal development?
Which of the following structures is responsible for contributing to atrial contraction?
Which of the following structures is responsible for contributing to atrial contraction?
What is the name of the ligament that forms from the closure of the ductus arteriosus in the adult?
What is the name of the ligament that forms from the closure of the ductus arteriosus in the adult?
What is the function of the chordae tendineae?
What is the function of the chordae tendineae?
Which of the following coronary arteries supplies the sinoatrial (SA) node?
Which of the following coronary arteries supplies the sinoatrial (SA) node?
What is the term for the sound produced by the closing of the heart valves?
What is the term for the sound produced by the closing of the heart valves?
What is the orientation of the heart in the thoracic cavity?
What is the orientation of the heart in the thoracic cavity?
What is the primary function of the fibrous skeleton in the heart?
What is the primary function of the fibrous skeleton in the heart?
Which branch of the vagus nerve is responsible for regulating heart rate?
Which branch of the vagus nerve is responsible for regulating heart rate?
What is the function of the SA node in the heart?
What is the function of the SA node in the heart?
What is the name of the large vessel that runs posterior and diaphragmatic surfaces between the atria and ventricles?
What is the name of the large vessel that runs posterior and diaphragmatic surfaces between the atria and ventricles?
Which of the following is NOT a function of the sympathetic nervous system on the heart?
Which of the following is NOT a function of the sympathetic nervous system on the heart?
What is the name of the branch that arises from the arch of the aorta?
What is the name of the branch that arises from the arch of the aorta?
What is the name of the vein that drains the posterior intercostal veins and joins the superior vena cava?
What is the name of the vein that drains the posterior intercostal veins and joins the superior vena cava?
What is the name of the artery that gives rise to the posterior interventricular branch?
What is the name of the artery that gives rise to the posterior interventricular branch?
What is the name of the nerve that runs in front of the root of the lung in close relationship with the fibrous pericardium?
What is the name of the nerve that runs in front of the root of the lung in close relationship with the fibrous pericardium?
What is the name of the system that encompasses the heart, capillaries, arteries, and veins?
What is the name of the system that encompasses the heart, capillaries, arteries, and veins?
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