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Questions and Answers
What is the approximate size of the heart?
What is the approximate size of the heart?
- 10 cm long, 8 cm wide
- 12 cm long, 9 cm wide (correct)
- 8 cm long, 6 cm wide
- 14 cm long, 7 cm wide
Which vessel mainly supplies the left atrium?
Which vessel mainly supplies the left atrium?
- Pulmonary veins (correct)
- Inferior vena cava
- Aorta
- Superior vena cava
The apex of the heart is located at which anatomical landmark?
The apex of the heart is located at which anatomical landmark?
- 3rd costal cartilage
- Mid clavicular line, 5th intercostal space (correct)
- 2nd intercostal space
- 6th costal cartilage
What is the primary function of the pericardium?
What is the primary function of the pericardium?
Which part of the heart is mainly located posteriorly?
Which part of the heart is mainly located posteriorly?
Which leads is the inferior margin of the heart associated with?
Which leads is the inferior margin of the heart associated with?
What mainly constitutes the serous part of the pericardium?
What mainly constitutes the serous part of the pericardium?
What is NOT a chamber of the heart?
What is NOT a chamber of the heart?
How many borders does the heart have?
How many borders does the heart have?
Which part of the heart lies anteriorly?
Which part of the heart lies anteriorly?
What happens to the atrioventricular valves during atrial contraction?
What happens to the atrioventricular valves during atrial contraction?
Which muscles help prevent the backflow of blood into the atrium during ventricular contraction?
Which muscles help prevent the backflow of blood into the atrium during ventricular contraction?
What is the primary function of the semilunar valves?
What is the primary function of the semilunar valves?
Which vessel carries deoxygenated blood from the right ventricle to the lungs?
Which vessel carries deoxygenated blood from the right ventricle to the lungs?
How does blood flow from the atrium to the ventricle when the ventricle is relaxed?
How does blood flow from the atrium to the ventricle when the ventricle is relaxed?
Which of the following best describes the aorta's function?
Which of the following best describes the aorta's function?
What triggers the opening of the semilunar valves during the cardiac cycle?
What triggers the opening of the semilunar valves during the cardiac cycle?
What is the role of chordae tendineae in the heart?
What is the role of chordae tendineae in the heart?
What is the significance of having no valves between veins and atria?
What is the significance of having no valves between veins and atria?
What is the primary function of pericardial fluid?
What is the primary function of pericardial fluid?
What characterizes pericarditis?
What characterizes pericarditis?
How is the myocardium described?
How is the myocardium described?
What is the function of the interventricular septum?
What is the function of the interventricular septum?
Which chamber of the heart receives blood from the 4 pulmonary veins?
Which chamber of the heart receives blood from the 4 pulmonary veins?
What structure prevents backflow of blood into the left atrium?
What structure prevents backflow of blood into the left atrium?
Which layer of the heart is the thickest?
Which layer of the heart is the thickest?
What is the role of chordae tendineae in the heart?
What is the role of chordae tendineae in the heart?
What characterizes the myocardial thickness of the left ventricle?
What characterizes the myocardial thickness of the left ventricle?
What is the purpose of the fibrous skeleton of the heart?
What is the purpose of the fibrous skeleton of the heart?
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